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1167
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Cetain [Internet] Sites can not connect, TCP MSS?

TheGoob
Level 4
Level 4

Morning

So I have vDSL with an FPR1010 [FDM]. The DSL Router is set to Bridge mode and the FPR is doing the PPPoE. Now back when I first set this up, several pages would not load. Back then I can ping them [ip] as well as hostname; So I can ping yahoo.com and 74.6.143.25 just fine, but connecting to them would just time out. After some research and what not, it came to be that under Flexconfig I do the command 'sysopt connection tcpmss 1380' and then all worked just fine. It has worked fine for 2 or so years.. This past 2 days I noticed I could not connect to my yahoo email via WiFi but ignored it until my gf said she can not either.. So then I plugged my PC directly into GE 1/1 [simple default NAT 'inside to outside' and then trust acl inside to out] Very standard... Bypassing wifi etc, and I can not connect to Yahoo. I verified  sysopt connection tcpmss 1380 was still there, it is. I removed it, re did it. Nothing I do can allow me to connect..

16 Replies 16

TheGoob
Level 4
Level 4

B.T.W, Here is my ONLY OUT ACL and all my NAT's.

 

 

TheGoob
Level 4
Level 4

Factory-reset, reconfigured everything..works fine now.

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