I have eth0 and using pppd, a sort of virtual node ppp0 is generated, I believe that something is going wrong in the sense, by default, nsd is going to eth0 when it should go to ppp0.
Can that be the issue? Would I have to add some routing rules there? On 4 October 2023 10:38:51 pm IST, Stuart Henderson <s...@spacehopper.org> wrote: >On 2023/10/04 20:55, Sagar Acharya via nsd-users wrote: >> Tried with ip-address option, it is not working. >> >> I think ip-address binds to local ip address. Anyways localhost binds to the >> same ip as that of >> http, 0.0.0.0 , so everything is right from the system. > >If your host has multiple addresses, binding to 0.0.0.0 will often >not do what you want for UDP. The source address of responses will >not necessarily be the same address as the query was sent to. >This is also described in the nsd.conf(5) manual in the description >of the "ip-address" option. > >I suggest listing the specific IP addresses on which NSD will be >sent DNS queries. > >Also use e.g. tcpdump to check that the queries are actually received >at your machine and not filtered upstream. > >> How do I test udp from other network as dig tests over udp. Or can I dig >> over tcp? > >"dig +tcp" will use TCP for the test, but TCP does not have the above >problem on multi-homed hosts. >
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