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17-16
Cisco ASA Series Firewall CLI Configuration Guide
Chapter 17 Configuring the TLS Proxy for Encrypted Voice Inspection
Monitoring the TLS Proxy
Apr 17 2007 23:13:47: %ASA-7-711001: TLSP cbad5120: Data channel ready for the Client
Apr 17 2007 23:13:47: %ASA-7-725013: SSL Server inside:195.168.2.201/5061 choose cipher :
AES128-SHA
Apr 17 2007 23:13:47: %ASA-7-717025: Validating certificate chain containing 1
certificate(s).
Apr 17 2007 23:13:47: %ASA-7-717029: Identified client certificate within certificate
chain. serial number: 76022D3D9314743A, subject name: cn=EJW-SV-2.inside.com.
Apr 17 2007 23:13:47: %ASA-6-717022: Certificate was successfully validated. Certificate
is resident and trusted, serial number: 76022D3D9314743A, subject name:
cn=EJW-SV-2.inside.com.
Apr 17 2007 23:13:47: %ASA-6-717028: Certificate chain was successfully validated with
revocation status check.
Apr 17 2007 23:13:47: %ASA-6-725002: Device completed SSL handshake with server
inside:195.168.2.201/5061
Apr 17 2007 23:13:47: %ASA-7-711001: TLSP cbad5120: Data channel ready for the Server
Use the show tls-proxy commands with different options to check the active TLS proxy sessions. The
following are some sample outputs:
ciscoasa(config-tlsp)# show tls-proxy
Maximum number of sessions: 1200
TLS-Proxy 'sip_proxy': ref_cnt 1, seq# 3
Server proxy:
Trust-point: local_ccm
Client proxy:
Local dynamic certificate issuer: LOCAL-CA-SERVER
Local dynamic certificate key-pair: phone_common
Cipher suite: aes128-sha1 aes256-sha1
Run-time proxies:
Proxy 0xcbae1538: Class-map: sip_ssl, Inspect: sip
Active sess 1, most sess 3, byte 3456043
TLS-Proxy 'proxy': ref_cnt 1, seq# 1
Server proxy:
Trust-point: local_ccm
Client proxy:
Local dynamic certificate issuer: ldc_signer
Local dynamic certificate key-pair: phone_common
Cipher-suite: <unconfigured>
Run-time proxies:
Proxy 0xcbadf720: Class-map: skinny_ssl, Inspect: skinny
Active sess 1, most sess 1, byte 42916
ciscoasa(config-tlsp)# show tls-proxy session count
2 in use, 4 most used
ciscoasa(config-tlsp)# show tls-proxy session
2 in use, 4 most used
outside 133.9.0.211:50437 inside 195.168.2.200:2443 P:0xcbadf720(proxy) S:0xcbc48a08 byte
42940
outside 133.9.0.218:49159 inside 195.168.2.201:5061 P:0xcbae1538(sip_proxy) S:0xcbad5120
byte 8786
ciscoasa(config-tlsp)# show tls-proxy session detail
2 in use, 4 most used
outside 133.9.0.211:50437 inside 195.168.2.200:2443 P:0xcbadf720(proxy) S:0xcbc48a08 byte
42940
Client: State SSLOK Cipher AES128-SHA Ch 0xca55e498 TxQSize 0 LastTxLeft 0 Flags 0x1
Server: State SSLOK Cipher AES128-SHA Ch 0xca55e478 TxQSize 0 LastTxLeft 0 Flags 0x9
Local Dynamic Certificate
Status: Available
Certificate Serial Number: 29
Certificate Usage: General Purpose