5/6/2023 0 Comments Cisco anyconnect vpn clients![]() Therefore, your concern is correct it is also good to be cautious about what software you install, specially when that software is closed. Using the Cisco An圜onnect Secure Mobility Client is required by some network services used at NMU. ![]() The likelihood of this scenario happening is unusual, although it is valid to bare on mind that even software apparently "Trusted" could have serious vulnerabilities. The Cisco An圜onnect Secure Mobility Client uses an encrypted virtual private network (VPN) to provide a secure connection between your device and the NMU network. The following An圜onnect VPN options can be configured: Hostname: This is used by Client VPN users to connect to the MX. For example, let's have a look on this zero-day which stayed in the Anyconnect VPN software for 6 months: The Cisco Umbrella module for Cisco Secure Client on Android provides DNS-layer protection for Android v6.0.1 and later and can be enabled with or without a Cisco Secure Client license. To enable An圜onnect VPN, select Enabled from the An圜onnect Client VPN radio button on the Security Appliance > Configure > Client VPN > An圜onnect Settings tab. Speaking about this specific software, we must not forget that every piece of software could have vulnerabilities and in the case of close source tools the process of discovering/fixing becomes a more daunting task. The users get an IPv4 address on the Anyconnect interface and IPv4 DNS servers. ![]() So this setup and the internal network is IPv4 only. ![]() In this case, the software creator is Cisco, which may be considered as a "Trusted" vendor because of its story, however as said, there is no way of actually checking everything that is going on under the hood unless the source code was provided or unless you were a skilled reverse engineer. First our setup, we have clients connecting with Client VPN using Cisco An圜onnect version 7 and connecting to a Cisco ASA5585-SSP-20 running Software Version 9.12 (4)2. In the end, you are trusting (with Administrative privileges) an application to perform some changes in your system. Every piece of software that you install on your computer which does not provides the source code should be treated as potentially harmful. ![]()
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