From abb9cffe4a9b36c124b1ef8fad4a00eff4ba36de Mon Sep 17 00:00:00 2001 From: Eric Lesiuta Date: Tue, 8 Dec 2020 12:54:33 -0500 Subject: Log IP on SSH authentication failure for Built-in SSH server (#13150) * Log IP on SSH authentication failure fixes https://github.com/go-gitea/gitea/issues/13094 * include string 'Failed authentication attempt' in error * update fail2ban docs also match failed authentication over command line * better logging of authentication errors with IP addresses * format ... Co-authored-by: techknowlogick Co-authored-by: 6543 <6543@obermui.de> --- docs/content/doc/usage/fail2ban-setup.en-us.md | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'docs/content') diff --git a/docs/content/doc/usage/fail2ban-setup.en-us.md b/docs/content/doc/usage/fail2ban-setup.en-us.md index ad99ca9e28..42b61416be 100644 --- a/docs/content/doc/usage/fail2ban-setup.en-us.md +++ b/docs/content/doc/usage/fail2ban-setup.en-us.md @@ -20,18 +20,24 @@ sure to test this before relying on it so you don't lock yourself out.** Gitea returns an HTTP 200 for bad logins in the web logs, but if you have logging options on in `app.ini`, then you should be able to go off of `log/gitea.log`, which gives you something like this -on a bad authentication: +on a bad authentication from the web or CLI using SSH or HTTP respectively: ```log 2018/04/26 18:15:54 [I] Failed authentication attempt for user from xxx.xxx.xxx.xxx ``` +```log +2020/10/15 16:05:09 modules/ssh/ssh.go:188:publicKeyHandler() [E] SearchPublicKeyByContent: public key does not exist [id: 0] Failed authentication attempt from xxx.xxx.xxx.xxx +``` +```log +2020/10/15 16:08:44 ...s/context/context.go:204:HandleText() [E] invalid credentials from xxx.xxx.xxx.xxx +``` Add our filter in `/etc/fail2ban/filter.d/gitea.conf`: ```ini # gitea.conf [Definition] -failregex = .*Failed authentication attempt for .* from +failregex = .*(Failed authentication attempt|invalid credentials|Attempted access of unknown user).* from ignoreregex = ``` -- cgit v1.2.3