Date: Thu, 21 Sep 2006 08:44:02 +0100 From: "Storer, Darren" <darren.storer (at mark) gmail.com> Subject: [coba-e:07149] Re: Slow SMTP answer on port 25 after lastest updates To: coba-e (at mark) bluequartz.org Message-Id: <1142a46a0609210044v2781e08cj7e782146e7fbdd (at mark) mail.gmail.com> In-Reply-To: <6CB1FBAA6BAA04408A22C7883FC7982B7A69 (at mark) titanium.aict.ualberta.ca> References: <20060914135202.M71073 (at mark) weber-ebusiness.de> <6CB1FBAA6BAA04408A22C7883FC7982B7A69 (at mark) titanium.aict.ualberta.ca> X-Mail-Count: 07149Hi,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.RegardsDarrenOn 20/09/06, Richmond, Raymond <raymond.richmond (at mark) ualberta.ca> wrote:>> I have encountered the exact same problem with the basic firewall. The> other problem I have is that even if I update the rules to explicitly all=ow> my dns servers in, when I reset the system the rules always return to> defaults and everything breaks again. It can't even seem to remember tha=t> it is supposed to be disabled after a restart. Where is the default chai=n> info 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.uk7149_2.html (attatchment)(tag is disabled)