dropbear: dropbear.8 annotate

annotate dropbear.8 @ 830:b9f0058860f1

- 2013.60, update CHANGES - Add CVE references to CHANGES

author	Matt Johnston <matt@ucc.asn.au>
date	Wed, 16 Oct 2013 22:32:31 +0800
parents	f8b28a3de6cb
children	057204b3dd61

rev	line source
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 .TH dropbear 8
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2 .SH NAME
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	3 dropbear \- lightweight SSH server
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 .SH SYNOPSIS
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 .B dropbear
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 [\-FEmwsgjki] [\-b
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	7 .I banner\fR] [\-d
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	8 .I dsskey\fR] [\-r
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	9 .I rsakey\fR] [\-p
576 c470649fb627 Mention -p's address argument in manpage synopsis Matt Johnston <matt@ucc.asn.au> parents: 569 diff changeset	10 .IR [address:]port ]
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	11 .SH DESCRIPTION
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	12 .B dropbear
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	13 is a SSH server designed to be small enough to be used in small memory
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 environments, while still being functional and secure enough for general use.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15 .SH OPTIONS
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	16 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 .B \-b \fIbanner
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	18 bannerfile.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19 Display the contents of the file
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	20 .I banner
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	21 before user login (default: none).
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	23 .B \-d \fIdsskey
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	24 dsskeyfile.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	25 Use the contents of the file
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	26 .I dsskey
514 e30a962c09b9 Mention DSS and DSA being the same thing Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	27 for the DSS host key (default: /etc/dropbear/dropbear_dss_host_key).
e30a962c09b9 Mention DSS and DSA being the same thing Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	28 Note that
e30a962c09b9 Mention DSS and DSA being the same thing Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	29 some SSH implementations
e30a962c09b9 Mention DSS and DSA being the same thing Matt Johnston <matt@ucc.asn.au> parents: 510 diff changeset	30 use the term "DSA" rather than "DSS", they mean the same thing.
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 This file is generated with
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	32 .BR dropbearkey (1).
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	33 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	34 .B \-r \fIrsakey
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	35 rsakeyfile.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	36 Use the contents of the file
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	37 .I rsakey
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	38 for the rsa host key (default: /etc/dropbear/dropbear_rsa_host_key).
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	39 This file is generated with
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	40 .BR dropbearkey (1).
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	41 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	42 .B \-F
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	43 Don't fork into background.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	44 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	45 .B \-E
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	46 Log to standard error rather than syslog.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	47 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	48 .B \-m
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	49 Don't display the message of the day on login.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	50 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	51 .B \-w
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	52 Disallow root logins.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	53 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	54 .B \-s
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	55 Disable password logins.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	56 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	57 .B \-g
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	58 Disable password logins for root.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	59 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	60 .B \-j
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	61 Disable local port forwarding.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	62 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	63 .B \-k
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	64 Disable remote port forwarding.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	65 .TP
438 4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	66 .B \-p \fI[address:]port
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	67 Listen on specified
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	68 .I address
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	69 and TCP
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	70 .I port.
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	71 If just a port is given listen
4bfd22bac1dc Document -p [address:]port Matt Johnston <matt@ucc.asn.au> parents: 325 diff changeset	72 on all addresses.
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73 up to 10 can be specified (default 22 if none specified).
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 .TP
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 .B \-i
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76 Service program mode.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 Use this option to run
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 .B dropbear
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79 under TCP/IP servers like inetd, tcpsvd, or tcpserver.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	80 In program mode the \-F option is implied, and \-p options are ignored.
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 181 diff changeset	81 .TP
325 0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	82 .B \-P \fIpidfile
0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	83 Specify a pidfile to create when running as a daemon. If not specified, the
0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	84 default is /var/run/dropbear.pid
0e4f225b7e07 Add -N "no remote command" dbclient option. Matt Johnston <matt@ucc.asn.au> parents: 258 diff changeset	85 .TP
258 306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 181 diff changeset	86 .B \-a
306499676384 * add -g (dbclient) and -a (dropbear) options for allowing non-local Matt Johnston <matt@ucc.asn.au> parents: 181 diff changeset	87 Allow remote hosts to connect to forwarded ports.
449 3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	88 .TP
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	89 .B \-W \fIwindowsize
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	90 Specify the per-channel receive window buffer size. Increasing this
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	91 may improve network performance at the expense of memory use. Use -h to see the
3e6c536bc023 Add -W <windowsize> argument and document it. Matt Johnston <matt@ucc.asn.au> parents: 446 diff changeset	92 default buffer size.
454 7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	93 .TP
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	94 .B \-K \fItimeout_seconds
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	95 Ensure that traffic is transmitted at a certain interval in seconds. This is
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	96 useful for working around firewalls or routers that drop connections after
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	97 a certain period of inactivity. The trade-off is that a session may be
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	98 closed if there is a temporary lapse of network connectivity. A setting
7e43f5e473b9 - Add -K keepalive flag for dropbear and dbclient Matt Johnston <matt@ucc.asn.au> parents: 449 diff changeset	99 if 0 disables keepalives.
515 fe30d2a2d626 - Document idle_timeout Matt Johnston <matt@ucc.asn.au> parents: 514 diff changeset	100 .TP
fe30d2a2d626 - Document idle_timeout Matt Johnston <matt@ucc.asn.au> parents: 514 diff changeset	101 .B \-I \fIidle_timeout
fe30d2a2d626 - Document idle_timeout Matt Johnston <matt@ucc.asn.au> parents: 514 diff changeset	102 Disconnect the session if no traffic is transmitted or received for \fIidle_timeout\fR seconds.
510 b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	103 .SH FILES
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	104
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	105 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	106 Authorized Keys
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	107
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	108 ~/.ssh/authorized_keys can be set up to allow remote login with a RSA or DSS
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	109 key. Each line is of the form
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	110 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	111 [restrictions] ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAIgAsp... [comment]
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	112
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	113 and can be extracted from a Dropbear private host key with "dropbearkey -y". This is the same format as used by OpenSSH, though the restrictions are a subset (keys with unknown restrictions are ignored).
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	114 Restrictions are comma separated, with double quotes around spaces in arguments.
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	115 Available restrictions are:
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	116
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	117 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	118 .B no-port-forwarding
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	119 Don't allow port forwarding for this connection
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	120
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	121 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	122 .B no-agent-forwarding
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	123 Don't allow agent forwarding for this connection
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	124
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	125 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	126 .B no-X11-forwarding
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	127 Don't allow X11 forwarding for this connection
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	128
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	129 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	130 .B no-pty
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	131 Disable PTY allocation. Note that a user can still obtain most of the
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	132 same functionality with other means even if no-pty is set.
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	133
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	134 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	135 .B command="\fIforced_command\fR"
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	136 Disregard the command provided by the user and always run \fIforced_command\fR.
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	137
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	138 The authorized_keys file and its containing ~/.ssh directory must only be
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	139 writable by the user, otherwise Dropbear will not allow a login using public
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	140 key authentication.
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	141
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	142 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	143 Host Key Files
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	144
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	145 Host key files are read at startup from a standard location, by default
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	146 /etc/dropbear/dropbear_dss_host_key and /etc/dropbear/dropbear_rsa_host_key
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	147 or specified on the commandline with -d or -r. These are of the form generated
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	148 by dropbearkey.
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	149
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	150 .TP
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	151 Message Of The Day
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	152
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	153 By default the file /etc/motd will be printed for any login shell (unless
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	154 disabled at compile-time). This can also be disabled per-user
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	155 by creating a file ~/.hushlogin .
b85507ade010 - Update manuals, include section on authorized_keys Matt Johnston <matt@ucc.asn.au> parents: 454 diff changeset	156
569 6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	157 .SH ENVIRONMENT VARIABLES
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	158 Dropbear sets the standard variables USER, LOGNAME, HOME, SHELL, PATH, and TERM.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	159
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	160 The variables below are set for sessions as appropriate.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	161
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	162 .TP
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	163 .B SSH_TTY
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	164 This is set to the allocated TTY if a PTY was used.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	165
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	166 .TP
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	167 .B SSH_CONNECTION
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	168 Contains "<remote_ip> <remote_port> <local_ip> <local_port>".
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	169
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	170 .TP
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	171 .B DISPLAY
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	172 Set X11 forwarding is used.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	173
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	174 .TP
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	175 .B SSH_ORIGINAL_COMMAND
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	176 If a 'command=' authorized_keys option was used, the original command is specified
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	177 in this variable. If a shell was requested this is set to an empty value.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	178
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	179 .TP
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	180 .B SSH_AUTH_SOCK
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	181 Set to a forwarded ssh-agent connection.
6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	182
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	183 .SH NOTES
f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	184 Dropbear only supports SSH protocol version 2.
569 6f472dc54da7 - Set $SSH_CONNECTION Matt Johnston <matt@ucc.asn.au> parents: 515 diff changeset	185
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	186 .SH AUTHOR
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	187 Matt Johnston ([email protected]).
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	188 .br
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	189 Gerrit Pape ([email protected]) wrote this manual page.
a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	190 .SH SEE ALSO
821 f8b28a3de6cb Don't say "SSH 2" any more since protocol version 1 is irrelevant Matt Johnston <matt@ucc.asn.au> parents: 690 diff changeset	191 dropbearkey(1), dbclient(1), dropbearconvert(1)
128 a9dddd13c4ba Added dropbear.8 and dropbearkey.8 back in Matt Johnston <matt@ucc.asn.au> parents: diff changeset	192 .P
690 4b47ff154ff6 Document "-m" and "-c" Matt Johnston <matt@ucc.asn.au> parents: 576 diff changeset	193 https://matt.ucc.asn.au/dropbear/dropbear.html

Mercurial > dropbear

annotate dropbear.8 @ 830:b9f0058860f1