Should FortiClient do some additional configutation on establishing a connection? Probably not. The result is that I cannot connect anywhere within a VPN with a domain name.ĭoes anybody have an idea how to make resolvectl realize there is newly assigned VPN address, and it should use it as the source IP. Because of that I guess DNS server does not have the route to send back an answer correctly to my computer, or DNS queries may even not reach the newly added DNS servers.īecause of that none of the programs I need can resolve the names correctly. On the other hand, resolvectl query uses all other addresses for source IP except the one assigned by VPN. It turned out that nslookup uses a VPN assigned address for the source IP when asking DNS for a name. Since this was strange I traced network traffic to see what does nslookup differently than resolvectl query. If I try with nslookup like this nslookup Strange thing is that when I write resolvectl query Protocols: +DefaultRoute +LLMNR -mDNS -DNSOverTLSĭNS Servers: 172.20.1.16 172.20.1.21 2a00:ee0:d::13 2a00:ee0:e::13Īs you can see additional DNS servers are added to Link 3, which should help me resolve internal names when connected to VPN. Protocols: +DefaultRoute +LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupportedĭNS Servers: 192.168.1.1 2a00:ee0:d::13 2a00:ee0:e::13Īfter VPN is established resolvectl reports additional link called vpn: resolvectl Protocols: -DefaultRoute +LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported Protocols: -LLMNR -mDNS -DNSOverTLS DNSSEC=no/unsupported This is output from resolvectl before VPN is established: resolvectl I am using Ubuntu 22.04, which is not an official version yet, but I have doubts it will get any better until official release in a week or two. It may be FortiClient VPN, systemd-resolved, or something else. Unfortunately, I have no idea, who's fault is that. After spending some time, I figured out that DNS is not working as it should have. I have a strange problem when I connect to a company VPN with forticlient application.
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