Hi Boris Am 12.05.2020 um 18:59 schrieb Boris: > Am 12.05.20 um 18:51 schrieb Erich Titl: >> Hi Boris >> >> Am 12.05.2020 um 18:46 schrieb Boris: >>> Am 12.05.20 um 18:32 schrieb Erich Titl: >>>> Hi Boris >>>> >>>> Am 12.05.2020 um 17:17 schrieb Boris: >>>>> Hej Erich and Sassy, >>>>> hej list, >>>>> >>>> .... >>>> >>>>>> >>>>>> Yes and one suggestion in FAQ77 suggests the same. >>>>>> >>>>> >>>>> Wow, what a success! Thank you so very much! That was the key! >>>>> I wrote the two sip-helpers in DONT_LOAD in shorewall.conf and the >>>>> phonecall work just perfect! >>>> >>>> Good >>>> >>>>> >>>>> Now the last issue is receiving the mail.... >>>>> In this case pop3s is used and the traffic is redirected to a different >>>>> port as well. Is there another helper to be disabled?? >>>>> >>>> >>>> Let us know more details about your pop3 problem. >>>> >>> >>> Hello Erich, >>> >>> well, the VoIP is a great success! >>> >>> BUT now as we make further checks, we find _some_ silly behaviour: >>> >>> 1. It's not possible to send mail via 1und1 but via t-online. >>> Thunderbird tells 'connected to smtp.1und1.de' but after a minute or so >>> there is a timeout. Same with receiving mail at pop.1und1.de. >>> >>> 2. It's not possible to visit at least one Website: wieistmeineip.de >> >> Have a look at you MTU size, you may need to twiddle that a little. >> > > MTU is set to 1492 . > I thought 1500 is default?? >
ppp is different. What is your entry in shorewall.conf CLAMPMSS=Yes cheers ET
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