Newbie - DNS + Firewall help plz

Kevin Darcy kcd at daimlerchrysler.com
Wed Jul 25 22:22:21 UTC 2001


You need to be more specific vis-a-vis source and destination ports. A
*source* port of 1026 should be fine as long as the *destination* port is 53.
You shouldn't be blocking that.


- Kevin

OzricTen wrote:

> Hi Kevin
> Its UDP port 1026 that is being blocked.
> Port 53 inbound/outbound both TCP and UDP is closed. Email works fine but
> what am i missing?
>
> "Kevin Darcy" <kcd at daimlerchrysler.com> wrote in message
> news:9jksv2$nvl at pub3.rc.vix.com...
> >
> > What protocol (TCP or UDP) and what source or destination ports? Your
> firewall
> > should be allowing outbound traffic to port 53 and inbound traffic from
> port
> > 53, for both TCP and UDP. If it's not, then you may need to adjust its
> rules.
> >
> >
> > - Kevin
> >
> > OzricTen wrote:
> >
> > > I dont think i have a problem I just need some advice/help.
> > > I have ADSL and have a firewall up and running (Zone Alarm). When i
> start my
> > > PC it connects to the internet automatically. My Email and everything
> works
> > > fine. However in the alert log of my firewall i see that routed traffic
> > > (DNS) is being blocked from my ISP. What traffic is this and should i
> allow
> > > it through? Any advantages or disadvantages to keeping it blocked?
> >
> >
> >
> >
> >





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