Re: [Full-disclosure] Blocking Skype on ISP level

2005-04-04 Thread Ake Nordin
At 13:00 2005-04-04, Jochen Kaiser scribed thusly: >This can be achieved by using an IDP system and blocking the >appropriate p2p protocol (I forgot which one. overnet?). >So as an ISP who shall grant best quality for all customers the >usage of a software based IDP may not be the appropriate w

Re: [Full-disclosure] Blocking Skype on ISP level

2005-04-04 Thread Florian Weimer
* Jochen Kaiser: > This can be achieved by using an IDP system and blocking the > appropriate p2p protocol (I forgot which one. overnet?). > An IDP is a device which works with signatures as known from > IDS-Systems and instead of reporting malicious activity > it blocks packets or connections. T

Re: [Full-disclosure] Blocking Skype on ISP level

2005-04-04 Thread Jochen Kaiser
This can be achieved by using an IDP system and blocking the appropriate p2p protocol (I forgot which one. overnet?). An IDP is a device which works with signatures as known from IDS-Systems and instead of reporting malicious activity it blocks packets or connections. Therefore it must be placed i

[Full-disclosure] Blocking Skype on ISP level

2005-04-04 Thread AH AH
Some ISPs are blocking Skype traffic on their networks, does anyone know how did they succeed in doing that? as per the analysis done on the skype peer to peer internet telephony protocol paper http://arxiv.org/ftp/cs/papers/0412/0412017.pdf Skype still succeeds in bypassing firewalls and NAT devi