![]() ![]() I noticed that VPN-3DES-AES was disabled. ![]() I started looking at the supported encryption algorithms within the firewall with a show version. In Google Chrome I receive the following error:Įrror 113 (net::ERR_SSL_VERSION_OR_CIPHER_MISMATCH): Unknown error.Īnd of course Internet Explorer didn’t gave any usable information. While working with Mozilla I received the following error:Ĭannot communicate securely with peer: no common encryption algorithm(s). All these options didn’t help, but the strange thing was that the web interface was working remotely. While troubleshooting I first tried the basic settings, like management access-list, regenerate crypto keys and change the management port. I was able to connect to the firewall with my locally installed ASDM client, but I couldn’t access the web interface either. The customer didn’t install ASDM locally, but always starts the Java-based version.Īfter upgrading the Cisco ASA to software version 8.2(1) and a reboot, the client wasn’t able to connect to the web interface anymore. I had to troubleshoot a Cisco ASA today, where the client wasn’t able to connect to the management web interface anymore via https. ![]()
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