Tag: Testing SIP MD5 authentication

SIP authentication response with nonce in SIP header

TIP OF THE DAY: SIP useragent /Registrar uses digest authentication for SIP authentication.  To  prevent replay attacks SIP registrar generates an arbitrary number  NONCE ( number once) and send to sip client. SIP client uses that NONCE to hash the sip credentials  and send to registrar. If you have packet capture and want to compare […]

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