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XG125 SFOS V18 - IPsec tunnel - can't access web resources at other side

Benjamin Cox

I have a site to site configured between 2 Sophos XG's - This has been active since 17.5 and has been very reliable - I'm now unable to access web portals (with self signed certs) over the VPN (such as printer admin panels / onsite Apache dev servers etc - RDP traffic traverses just fine - just cant access web - it shows the default browser "this page is not secure - do you want to proceed" then when i click yes it just freezes - i have played with all the SSL protection settings i can find but to no avail - if someone can give me some insight into how to fix this - I'll owe you a beer!!! 



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  • +2
    Hello, I had the exact same issue for one of my custommers. They have XG with IPSEC tunnel, everything works well but I cannot reach the http pages to manage switches or printers ... The trick in my case was to lower the MTU of the wan interface of both XG. They have PPPOE FTTH connexions and I set the MTU to 1464, and now everything works well.
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  • +2
    Hello, I had the exact same issue for one of my custommers. They have XG with IPSEC tunnel, everything works well but I cannot reach the http pages to manage switches or printers ... The trick in my case was to lower the MTU of the wan interface of both XG. They have PPPOE FTTH connexions and I set the MTU to 1464, and now everything works well.
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