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Cisco AnyConnect cannot connect after installed McAfee Internet Security

this issue seemed happened few year ago and no solution till today. Anybody knows how to resolve?

https://community.mcafee.com/message/338708#338708

I have tried above suggestion but still failed to connect to VPN. I also requested for technical chat support online but they could not help me either.

Once I uninstall Mcafee Internet Security, I could connect to VPN through Cisco AnyConnect successfully.

8 Replies
exbrit
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Message 2 of 9

Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

I've had no problems here but always have to reboot for it to take effect.

Your best approach is to do what the last post in that thread recommends....call Technical Support.

It's free and if at first they don't succeed you can escalate the issue.

Contact Support

Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

I called twice and they said already escalated to higher level, both technical support officer could not solve the issue. Hope the 'higher' level really solve this as promise. It's embarrassed that this issue already there since few years ago without solution to latest version.

Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

By default the Anyconnect Client will use TCP 443. But the Anyconnect Client may also use DTLS (which provides the same type of Authentication and encryption as SSL but uses UDP to do it).  Please Enable Secure Web Server (HTTPS) Port 443 - Local TCP/IP Ports 443 & Web Server (HTTP) Port 80 - Local TCP/IP Ports 80 in Ports and System Services under McAfee Firewall.

Add the UDP 443 in McAfee Firewall >> Ports and System Services as well. -- Screenshot FYI

cisco port nos.jpg

Along with the above settings, Check Navigation >> Traffic Monitor >> Active Programs to know the actual port used by VPN Agent Service and update the same in McAfee Firewall for best results. - Screen shot

traffic monitor.jpg

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Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

Hi Siva,

I have tried the first part to enable port 443 and 80 but still failing.

I do not understand the 2nd part how to add the port 62522, can you elaborate? Thanks.

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Message 6 of 9

Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

To add the port 62522 please navigate to

Navigation>>Firewall>>Ports and System Services

Click on the "Add" button

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Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

Is 62522  belong to TCP or UDP port?

Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

3 rounds talking to Mcafee Technical Support and issue still stay unresolved!

Very disappointed with the service and decided to switch to other antivirus products.

Waste of money and time for the 3 years subscription!

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Message 9 of 9

Re: Re: Cisco AnyConnect cannot connect after installed McAfee Internet Security

Hello

It should be TCP. Please provide the VPN url that Cisco Anyconnect uses- this is to add the url in Firewall exclusions and see if it makes a difference.