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-rw-r--r--ssh-keyscan.024
1 files changed, 14 insertions, 10 deletions
diff --git a/ssh-keyscan.0 b/ssh-keyscan.0
index a218fbf2b..4bbfd1483 100644
--- a/ssh-keyscan.0
+++ b/ssh-keyscan.0
@@ -4,7 +4,7 @@ NAME
4 ssh-keyscan - gather ssh public keys 4 ssh-keyscan - gather ssh public keys
5 5
6SYNOPSIS 6SYNOPSIS
7 ssh-keyscan [-v46] [-p port] [-T timeout] [-t type] [-f file] 7 ssh-keyscan [-46Hv] [-f file] [-p port] [-T timeout] [-t type]
8 [host | addrlist namelist] [...] 8 [host | addrlist namelist] [...]
9 9
10DESCRIPTION 10DESCRIPTION
@@ -22,6 +22,19 @@ DESCRIPTION
22 22
23 The options are as follows: 23 The options are as follows:
24 24
25 -4 Forces ssh-keyscan to use IPv4 addresses only.
26
27 -6 Forces ssh-keyscan to use IPv6 addresses only.
28
29 -f file
30 Read hosts or addrlist namelist pairs from this file, one per
31 line. If - is supplied instead of a filename, ssh-keyscan will
32 read hosts or addrlist namelist pairs from the standard input.
33
34 -H Hash all hostnames and addresses in the output. Hashed names may
35 be used normally by ssh and sshd, but they do not reveal identi-
36 fying information should the file's contents be disclosed.
37
25 -p port 38 -p port
26 Port to connect to on the remote host. 39 Port to connect to on the remote host.
27 40
@@ -39,18 +52,9 @@ DESCRIPTION
39 be specified by separating them with commas. The default is 52 be specified by separating them with commas. The default is
40 ``rsa1''. 53 ``rsa1''.
41 54
42 -f filename
43 Read hosts or addrlist namelist pairs from this file, one per
44 line. If - is supplied instead of a filename, ssh-keyscan will
45 read hosts or addrlist namelist pairs from the standard input.
46
47 -v Verbose mode. Causes ssh-keyscan to print debugging messages 55 -v Verbose mode. Causes ssh-keyscan to print debugging messages
48 about its progress. 56 about its progress.
49 57
50 -4 Forces ssh-keyscan to use IPv4 addresses only.
51
52 -6 Forces ssh-keyscan to use IPv6 addresses only.
53
54SECURITY 58SECURITY
55 If a ssh_known_hosts file is constructed using ssh-keyscan without veri- 59 If a ssh_known_hosts file is constructed using ssh-keyscan without veri-
56 fying the keys, users will be vulnerable to man in the middle attacks. 60 fying the keys, users will be vulnerable to man in the middle attacks.