SIP.Via.NAT
Description
This indicates an attempt to use the SIP protocol under NAT.The SIP user agent would add a port number in the Via header. In a NAT environment, the port number added to the Via header is different. This signature will detect if the user agent initiating the SIP request is behind a NAT.
Affected Products
SIP
Impact
Network bandwidth consumption
Technology
Browser-Based, Network-Protocol, Client-Server, Peer-to-Peer, Cloud-Based, Mobile-Device
Behavior
- Excessive-Bandwidth