Matus UHLAR - fantomas wrote: >>Matus UHLAR - fantomas skrev den 2013-02-04 09:25: >>>port 25 open. There are multiple ways to detect dynamic IPs (rDNS >>>patterns, >>>PBL, SORBS-DUL, MAPS-DYNA) which I found more safe than TCP port 25 >>>open. > > On 04.02.13 17:27, Benny Pedersen wrote: >>i never write "only" but my point is that if port 25 is open, is it >>then still dynamic ? > > if an IP is dynamic, it does not matter whether it has port 25 open. > I gave good examples why it should not be whitelisted. Not all ISPs > block incoming port 25... > >>i did not say its not more test to do > > well I don't see a reason to test for port 25 open, maybe to block > open relays and/or SMTP redirect on misconfigured routers... > >>>This is what e.g. rfci-ignorant or many other rhsbl blacklists are >>>for. >> >>thay are dead > > they are alive on rfc-ignorant.de :-) >
Resurrected perhaps, but not quite alive. -- Per Jessen, Zürich (-0.1°C) http://www.dns24.ch/ - free DNS hosting, made in Switzerland.
