[CentOS] Postfix: user unknown

uot;x" ) - It seems that sometimes the system (postfix? procmail? ???) can't retrieve user information. Any ideas on what might be causing this? Thanks! Cheers, Manuel Monteiro ___ CentOS mailing list CentO

Re: [CentOS] Postfix: user unknown

>> Dear all, >> >> I have a mail server based on a CentOS 5.3 machine with postfix. >> >> >> Most of our users are on LDAP (on localhost) but we also have some local >> users and we are using PAM for authentication. > >Are you running nscd on the server? That should smooth out LDAP >blips, though

[CentOS] openldap and nscd

his is due to a timeout, correct? Here is part of my /etc/ldap.conf --- timelimit 120 bind_timelimit 30 bind_policy soft idle_timelimit 3600 nss_initgroups_ignoreusers root,ldap --- Is there a way to solve this? Thanks, Manue

Re: [CentOS] openldap and nscd

nate wrote: > Manuel Monteiro wrote: > >> bind_policy soft > > try changing the policy to hard from soft and see if that helps > > # Reconnect policy: hard (default) will retry connecting to > # the software with exponential backoff, soft will fail > # immediate

Re: [CentOS] openldap and nscd

: sexta-feira, 15 de Maio de 2009 19:57 To: CentOS mailing list Subject: Re: [CentOS] openldap and nscd Hi, On Fri, May 15, 2009 at 12:52, Manuel Monteiro wrote: >> # Reconnect policy: hard (default) will retry connecting to >> # the software with exponential backoff, soft will fail &

Re: [CentOS] Looking for recommendations for blockinghacking attempts

Neil Aggarwal wrote: > It looks like BLOCK_SERVICE tells what to block once the > offender has been identified. > > What I am talking about is the process of identifying the > offender in the first place. It looks like only a failed SSH > login attempt will cause someone to be blocked. If they >

[CentOS] unknown connection

c46.astro.up.pt:ssh->119.1.193.205:zephyr-clt (ESTABLISHED) What is this connection? IPtables is on and SELinux is on enforcing mode. Thanks, Manuel Monteiro ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/li

Re: [CentOS] unknown connection

Yes... dumb question! Sorry. Forgot that, in lsof, this is a connection from (and not *to*) 119.1.193.205 One more SSH brute force attack. Thanks, Manuel Manuel Monteiro wrote: > > Hello, > > sshd 3638 root3u IPv6 17317 TCP > pc46.astro.up.pt:ssh->119.1.