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authorRavi Kerur <ravi.kerur@viasat.com>2019-09-28 19:52:53 -0700
committerRavi Kerur <ravi.kerur@viasat.com>2019-09-28 19:52:53 -0700
commitbc1b26617430fcc15bacd1324758ca18ae38adf1 (patch)
tree5340bde318803c46bbcbba3f9df3be86f1134acb /src/lib/protocols/ciscovpn.c
parentb0c68dc29b18566043d7dd3bfd690cfe5c4e5d77 (diff)
Add Cisco anyconnect VPN signature.
Signed-off-by: Ravi Kerur <ravi.kerur@viasat.com>
Diffstat (limited to 'src/lib/protocols/ciscovpn.c')
-rw-r--r--src/lib/protocols/ciscovpn.c28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/lib/protocols/ciscovpn.c b/src/lib/protocols/ciscovpn.c
index d98f91e02..4a73e5728 100644
--- a/src/lib/protocols/ciscovpn.c
+++ b/src/lib/protocols/ciscovpn.c
@@ -48,7 +48,33 @@ void ndpi_search_ciscovpn(struct ndpi_detection_module_struct *ndpi_struct, stru
NDPI_LOG_INFO(ndpi_struct, "found CISCOVPN\n");
ndpi_int_ciscovpn_add_connection(ndpi_struct, flow);
return;
- }
+ }
+ else if(((tsport == 443 || tdport == 443) ||
+ (tsport == 80 || tdport == 80)) &&
+ ((packet->payload[0] == 0x17 &&
+ packet->payload[1] == 0x03 &&
+ packet->payload[2] == 0x03 &&
+ packet->payload[3] == 0x00 &&
+ packet->payload[4] == 0x3A)))
+ {
+ /* TLS signature of Cisco AnyConnect 0X170303003A */
+ NDPI_LOG_INFO(ndpi_struct, "found CISCO Anyconnect VPN\n");
+ ndpi_int_ciscovpn_add_connection(ndpi_struct, flow);
+ return;
+ }
+ else if(((tsport == 8009 || tdport == 8009) ||
+ (tsport == 8008 || tdport == 8008)) &&
+ ((packet->payload[0] == 0x17 &&
+ packet->payload[1] == 0x03 &&
+ packet->payload[2] == 0x03 &&
+ packet->payload[3] == 0x00 &&
+ packet->payload[4] == 0x69)))
+ {
+ /* TCP signature of Cisco AnyConnect 0X1703030069 */
+ NDPI_LOG_INFO(ndpi_struct, "found CISCO Anyconnect VPN\n");
+ ndpi_int_ciscovpn_add_connection(ndpi_struct, flow);
+ return;
+ }
else if(
(
(usport == 10000 && udport == 10000)