From c8da63c601b5d44fd233548385809c9c3a2fa0b8 Mon Sep 17 00:00:00 2001 From: Scott Moser Date: Sun, 9 Feb 2014 16:10:03 +0000 Subject: Mention ssh-keygen in ssh fingerprint changed warning Author: Chris Lamb Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1843 Bug-Ubuntu: https://bugs.launchpad.net/bugs/686607 Last-Update: 2017-08-22 Patch-Name: mention-ssh-keygen-on-keychange.patch --- sshconnect.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/sshconnect.c b/sshconnect.c index 5f8c81b84..3ae20b74e 100644 --- a/sshconnect.c +++ b/sshconnect.c @@ -994,9 +994,13 @@ check_host_key(char *hostname, struct sockaddr *hostaddr, u_short port, error("%s. This could either mean that", key_msg); error("DNS SPOOFING is happening or the IP address for the host"); error("and its host key have changed at the same time."); - if (ip_status != HOST_NEW) + if (ip_status != HOST_NEW) { error("Offending key for IP in %s:%lu", ip_found->file, ip_found->line); + error(" remove with:"); + error(" ssh-keygen -f \"%s\" -R \"%s\"", + ip_found->file, ip); + } } /* The host key has changed. */ warn_changed_key(host_key); @@ -1005,6 +1009,9 @@ check_host_key(char *hostname, struct sockaddr *hostaddr, u_short port, error("Offending %s key in %s:%lu", sshkey_type(host_found->key), host_found->file, host_found->line); + error(" remove with:"); + error(" ssh-keygen -f \"%s\" -R \"%s\"", + host_found->file, host); /* * If strict host key checking is in use, the user will have