On Wed, 2004-05-12 at 06:22, Alexander Samad wrote: > On Tue, May 11, 2004 at 10:37:36AM -0300, Peter Marshall wrote: > > I have an aside question ... Do you need to listen on both tcp and udp port > > 53 for DNS ? Can you just listen on the UDP one ? Does it require both ? > > > > udp for normal requests > tcp for zone transfers and large answers ... > > A > > > Thank you, > > > > Peter Marshall > > > > > > ----- Original Message ----- > > From: "Fritz Mesedilla" <fritz.mesedilla@xxxxxxxxxxxxxxxxx> > > To: "Netfilter Mailing List (E-mail)" <netfilter@xxxxxxxxxxxxxxxxxxx> > > Sent: Tuesday, May 04, 2004 6:40 AM > > Subject: pop3 and dns > > > > > > > > Greetings! > > I have been looking for the answer to this through google... > > > > How do I allow POP3 through my iptables rules? > > > > I have done this... > > $IPTABLES -A FORWARD -p tcp --dport 53 -j ACCEPT > > $IPTABLES -A FORWARD -p udp --dport 53 -j ACCEPT > > > > $IPTABLES -A FORWARD -p tcp --dport 110 -j ACCEPT > > > > I included the dns forward rule to allow the internal clients to be able to > > resolve pop3 domain names. > > > > The problems: > > 1) They still can't resolve domain names. > > 2) POP3 can't seem to pass through going outside from the internal clients. > > > > Please advise me to what I still need to add. Thanks. > > > > Cheers, > > > > fritz <www.mesedilla.com> > > --- > > + Basta Ikaw Lord > > > > > > > > ---------------------------------------------------------------------- > > This email and any files transmitted with it are confidential and > > intended solely for the use of the individual or entity to whom they > > are addressed. If you have received this email in error please notify > > the sender immediately by e-mail and delete this e-mail from your > > system. Please note that any views or opinions presented in this > > email are solely those of the author and do not necessarily represent > > those of the company. Finally, the recipient should check this email > > and any attachments for the presence of viruses. The company accepts > > no liability for any damage caused by any virus transmitted by this > > email. > > > > Overture Media, Inc. > > Direct Line: (632) 635-4785 > > Trunkline: (632) 631-8971 Local 146 > > Fax: (632) 637-2206 > > Level 1 Summit Media Offices, Robinsons Galleria EDSA Cor. Ortigas Ave., > > Quezon City 1100 > > > > > > > > > > -- -- Raymond Leach <raymondl@xxxxxxxxxxxxxxxxxxxxxx> Network Support Specialist http://www.knowledgefactory.co.za "lynx -source http://www.rchq.co.za/raymondl.asc | gpg --import" Key fingerprint = 7209 A695 9EE0 E971 A9AD 00EE 8757 EE47 F06F FB28 --
Attachment:
signature.asc
Description: This is a digitally signed message part