Reading all those papers about VoIP attacks, including VoIP spam: Why is nobody addressing the most obvious reason to give up phones, both VoIP and TDM: Telemarketing and political campaign, polling calls?
Getting annoyed by telemarketers outweighs the benefits of having a landline phone in the first place. For some reason, the mobile phone seems much safer and the only worthwhile to keep. Or just use our personal SIP services, such as the SIP server in my residential (Intertex) gateway and giving our SIP URI only to friends... Henry On 10/25/08 4:55 PM, "Jiri Kuthan" <[EMAIL PROTECTED]> wrote: > well, first of all, thank you very much for the positive comments. > > secondly -- real is becoming really real :) In Germany, there has been > recently an attack that could have been better absorbed using such > a method, probably at best in combination with others. The attack > is shortly described at http://www.ipcom.at/index.php?id=565. It > was as simple as sending annoying INVITEs around, it is not clear > really what could have been the attack purpose. > > In fact, the attack is really trivial: it doesn't try to make > messages appear credible, and any reasonably-configured SIP > server would drop them right away. (none of the domains belongs > to the server, the messages have little variance among them) > > The victims' phones would not have been ringing at 3AM if they > tried to verify who is calling them. (even though with so > trivially formed requests a proxy server would drop them even > before reaching the UAS). > > -jiri > > > Henry Sinnreich wrote: >> The Dialog Event foR Identity Verification¹ is meeting IMO the real >> need for preventing forged ³From² names and has the virtue of simplicity >> as well. >> It is analog to the email verification which is successfully deployed >> throughout the Internet at present. >> >> http://www3.ietf.org/proceedings/staging/draft-kuthan-sip-derive-00.txt >> >> Thanks, Henry >> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Sip mailing list https://www.ietf.org/mailman/listinfo/sip >> This list is for NEW development of the core SIP Protocol >> Use [EMAIL PROTECTED] for questions on current sip >> Use [EMAIL PROTECTED] for new developments on the application of sip _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
