Date: Thu, 21 Sep 2006 13:23:21 -0400 From: "Darrell D. Mobley" <dmobley (at mark) uhostme.net> Subject: [coba-e:07159] Re: Slow SMTP answer on port 25 after lastest updates To: <coba-e (at mark) bluequartz.org> Message-Id: <003c01c6dda2$a4f26fb0$6400a8c0@YOUR4105E587B6> In-Reply-To: <1142a46a0609210044v2781e08cj7e782146e7fbdd (at mark) mail.gmail.com> X-Mail-Count: 07159If the firewall can$BCU(B even remember to disable itself after a restart,perhaps it would be a good idea to remove it. What command would you =use toremove it via YUM? _____ From: Storer, Darren [mailto:darren.storer (at mark) gmail.com] Sent: Thursday, September 21, 2006 3:44 AMTo: coba-e (at mark) bluequartz.orgSubject: [coba-e:07149] Re: Slow SMTP answer on port 25 after lastestupdates Hi, Same symptoms here: basic firewall was suddenly enabled although the =changefrom SMP to UP (in lilo) was much more of a surprise! From now on 'yum update' will only be used here on Friday evenings so as =togive us all weekend to ensure that production systems are stable beforeMonday morning. RegardsDarren On 20/09/06, Richmond, Raymond <raymond.richmond (at mark) ualberta.ca> wrote: I have encountered the exact same problem with the basic firewall. Theother problem I have is that even if I update the rules to explicitly =allowmy dns servers in, when I reset the system the rules always return todefaults and everything breaks again. It can't even seem to remember =thatit is supposed to be disabled after a restart. Where is the default =chaininfo stored? > -----Original Message-----> From: Juergen [mailto:OpencubeMailingliste (at mark) weber-ebusiness.de]> Sent: Thursday, September 14, 2006 7:57 AM > To: coba-e (at mark) bluequartz.org> Subject: [coba-e:06931] Re: Slow SMTP answer on port 25 after> lastest updates>> Hi Michael,>> >> Unfortunetely, on the 2 old servers the response time of > Sendmail now is> >> awfully slow. It takes about 1 minute to get the SMTP> greeting message on> >> port 25. On the v 4.5 server it only takes one second.> >>> >> The other services (ftp, ssh etc.) are very fast on al > three servers.> >>> >> I have no idea what it could be...>> > Sounds like that server has problems resolving DNS. Check> that it is using> > Valid and working DNS servers in "System Settings" / > "TCP/IP" / "DNS> > Servers".>> You´re right. It was a DNS problem which was caused by the> built-in basic> firewall in the admin GUI. Port 53 TCP and UDP were open but > it still did> not work. I had to disable the entire basic firewall in the GUI. Now> everything is ok.>> Do you have an idea why I get these problem after the update?> Before the > update everything was working correctly. I just entered YUM UPDATE.>> Juergen>>-- Darren StorerComgateTelco|Internet|Broadcasthttp://www.comgate.co.uk7159_2.html (attatchment)(tag is disabled)