Cant Access Web site

Ercan Deger ercandeger76 at gmail.com
Thu Feb 26 08:26:53 UTC 2015


I added captured packed,
when I open this file via wireshark It shows lots of Fragmented IP Protocol
(proto=TCP 6, off=0, id=cbxx)

when I change the outside interface mtu to 1492 I can access via squid this
site

but still cant access without squid

I think MTU specific problem but cant solve :(



>>
> The data you provided shows little. It would be nice to see both sides of
> the session.
>
> I really suggest that you capture the whole session. Something like
> "tcpdump -p -s0 -w some_file.bpf tcp port 81 and host 85.96.xx.xx" will
> save the packet data to "some_file.bpf" and then you can use other tools to
> analyze it. I use wireshark. It's free, in ports and works quite well. It
> will flag packets which have issues and handle breaking down the prorocols.
> Since port 81 is not the "normal" http port, you will need to tell
> wireshark that. I have not had to do that in a while, but it was pretty
> obvious.
>
> wireshark can also do the capture directly, but I'll admit that after
> years of using tcpdump (two of the authors used to sit down the hall from
> me), I have never tried to use wireshark for packet capture.
> --
> Kevin Oberman, Network Engineer, Retired
> E-mail: rkoberman at gmail.com
>
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