I think this is now sufficiently covered on master branch.
I have imported your patch into master-ipv6 branch and finished it there for both...
log4cplus 1.2.0-RC4 released
log4cplus 1.1.3-RC5 released
I have imported your patch to 1.2.x-ipv6 branch and made some additional changes...
Fixes to the simpleserver so it does not leak and can be stopped
socket copy operator closes the socket