Update fail2ban configuration

Fixes #1177.

doc/examples/fail2ban.conf

@@ -2,11 +2,11 @@
 
 [Definition]
 
-failregex = ^INFO\s+Failed login attempt\s+{\"password\":\"(\\.|[^"])*\",\"remoteAddress\":\"<HOST>\"
+failregex = ^Failed login attempt\s+{\"remoteAddress\":\"<HOST>\"
 
 # Use this instead for proxies (ensure the proxy is configured to send the
 # X-Forwarded-For header).
-# failregex = ^INFO\s+Failed login attempt\s+{\"password\":\"(\\.|[^"])*\",\"xForwardedFor\":\"<HOST>\"
+# failregex = ^Failed login attempt\s+{\"xForwardedFor\":\"<HOST>\"
 
 ignoreregex =
 

doc/fail2ban.md

@@ -30,6 +30,6 @@ accessible from the internet (use localhost or block it in your firewall).
 ## Fail2Ban
 Fail2Ban allows for automatically banning and logging repeated failed
 authentication attempts for many applications through regex filters. A working
-filter for code-server can be found in `./code-server.fail2ban.conf`. Once this
+filter for code-server can be found in `./examples/fail2ban.conf`. Once this
 is installed and configured correctly, repeated failed login attempts should
 automatically be banned from connecting to your server.