References

http://www.cisco.com/go/sslvpn

http://www.cisco.com/en/US/products/ps6657/products_ios_protocol_group_home.html

http://www.cisco.com/web/about/security/intelligence/05_08_SSL-VPN-Security.html

http://www.cisco.com/en/US/netsol/ns340/ns394/ns171/netbr09186a00801f0a72.html

http://www.cisco.com/en/US/products/ps6441/products_feature_guide09186a00805eeaea.html

http://www.cisco.com/en/US/netsol/ns340/ns394/ns171/ns125/networking_solutions_white_paper0900aecd804fb79a.shtml

http://www.cisco.com/en/US/products/ps6350/prod_bulletin09186a0080457a84.html#wp1028745

http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123t/123t_14/g_sslvpn.htm

http://www.cisco.com/go/iossslvpn

http://www.cisco.com/en/US/products/ps6657/products_data_sheet0900aecd80405e25.html

http://www.cisco.com/en/US/docs/security/vpn_client/anyconnect/anyconnect20/administrative/guide/admin.html

http://www.cisco.com/en/US/docs/security/vpn_client/anyconnect/anyconnect21/release/notes/anyconnect21.html