Openconnect resolution issue

Nikos Mavrogiannopoulos n.mavrogiannopoulos at
Wed Sep 23 04:12:14 PDT 2015

On Sat, Sep 19, 2015 at 1:14 AM, Ronen Leibovici <rleibovici at> wrote:
> Good day,
> Here is the situation.
> When working on my RHEL6 host, I use AT&T dialer to connect to my
> companies intranet.
> When doing so, my resolv.conf file is updated to include the
> nameservers of my company.
> Then, I use openconnect in order to connect to our customer. This also
> works and the resolv.conf file is edited by VPNC to include the
> nameservers of our customer.
> The problem lies in the fact that if i try to perform any resolution,
> it fails because, for some reason, my O/S has now been told that
> recursion is not allowed and only the first name server in my
> resolv.conf file is queried.

I don't believe there is such thing as putting the OS at recursion or not.

> ex:
> [root at oc8146477318 ~]# nslookup
> Server:
> Address:
> ** server can't find NXDOMAIN
> ex:
>    [root at oc8146477318 cscotun0]# nslookup
> ;; Got recursion not available from, trying next server
> ;; Got recursion not available from, trying next server
> Server:
> Address:

The decision on whether to fallthrough or not is part of nslookup, not
of the system. I'd suggest to check your resolv.conf for differences
and use nslookup in debug mode.


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