[strongSwan] question of returning unrequested DNS and DHCP server addresses in strongswan-5.0.0?
martin at strongswan.org
Wed Aug 22 09:08:06 CEST 2012
> Since the configuration is done to the strongswan.conf, I am wondering
> if other clients, for example, Bob, will also receive these addresses.
> I guess this is the case, but what if Bob is not interested in
> receiving DNS and DHCP addresses and has not requested them in its
> IKEv2 messages, would this be considered an error of the server in
> which case the server is telling unwanted information to the client?
Attributes defined in strongswan.conf are global, these are assigned to
all clients requesting a virtual IP. Even if the client does not send
requests for these attributes, strongSwan sends them. This is valid in
IKEv2, as a responder may send attributes not requested by the
For DNS servers, we have an extension in the pipeline for 5.0.1 which
allows you to define DNS servers on a connection basis. You may try the
last six patches from . For DHCP, there won't be such an option,
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