Re: TCP on remote port 53??

From: neo [mvp outlook] (neo@mvps.org)
Date: 10/21/02 

From: "neo [mvp outlook]" <neo@mvps.org>
Date: Sun, 20 Oct 2002 16:11:22 -0700

53 tcp/udp is dns. (zone transfers and long replies generally occur over 53
tcp.) As for what app is doing the work, I would guess the DNS Client
service.

"WRCsam" <UUsam@WTFhotmail.com.uu.WTF> wrote in message
news:eaJAgOIeCHA.2588@tkmsftngp12...
> My firewall logs this pretty often
>
> Device 1, Blocked outgoing TCP packet (no matching rule), src='my ip
here',
> dst=153.39.194.10, sport=1278, dport=53
>
> If it wasn't TCP protocol, then it would be DNS connection attempt.
>
> Do you have the same problem, which app is doing the connecting?
>
> How can I find out which app is opening this connection?
>
> (by the way, I do not have viruses, this happened even when I fresh
> installed windows and connected to the internet for the first time)
>
>
>
>

Relevant Pages

  • Re: IP Firewalling by DNS name
    ... so it only kicks in after the TCP ... Yes, the connection is accepted first, because there is ... DNS, ...
    (freebsd-stable)
  • Yahoo Music Engine: OK to listen for TCP on Port 80?
    ... My Norton Personal Firewall tells me the app ... is trying to listen for connection (TCP) on Port 80. ...
    (microsoft.public.windowsxp.security_admin)
  • Re: send email using c# without using CDONTS
    ... The app. ... runs ok if the connection is already established, ... > AFAIK this problem has sth to do with DNS. ... > ping smtp.xxxxx.yy ...
    (microsoft.public.dotnet.languages.csharp)
  • Re: Global Catalog / Domain Controller loses connection to Exchang
    ... Clients cannot log on to domain controllers that are Windows Server ... DNS can still perform dynamic updates ... Connection-specific DNS Suffix. ... TCP mail2k3:microsoft-ds mail2k3.pastongroup.com:0 LISTENING ...
    (microsoft.public.windows.server.networking)
  • RE: TCP DNS requests
    ... It is a common misconception that TCP DNS is only for zone transfers. ... You must have another DNS server in that network trying to do zone ...
    (Security-Basics)