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PPPoE problems

I am PPPoE newbie and have some problem.
Some websites don't come up on browser.

www.yahoo.co.jp, or www.infoseek.co.jp.
ping www.yahoo.co.jp /f /l 1426 ... well,
ping www.yahoo.co.jp /f /l 1427 ... fail.

Probably, cause is these webserver's filtered ICMP. and PPPoE MTU problem.

so, I searched and found write below is well,
 Code:
 
iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

 
whare can I write these codes?    


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Parents
  • in network-interfaces find your WAN interface and set your PPPOE MTU for what your DSL provider says it should be..this is typically 1492 but may be different for your provider.  Try that and see if it helps... 

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

    Other addons to follow

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  • in network-interfaces find your WAN interface and set your PPPOE MTU for what your DSL provider says it should be..this is typically 1492 but may be different for your provider.  Try that and see if it helps... 

    Owner:  Emmanuel Technology Consulting

    http://etc-md.com

    Former Sophos SG(Astaro) advocate/researcher/Silver Partner

    PfSense w/Suricata, ntopng, 

    Other addons to follow

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