Cisco Cisco Web Security Appliance S670

 lists the issues that were resolved in version 7.1.3 of AsyncOS for Web.

78563, 81335, 
81360, 83714, 
83977

Fixed: Web Proxy generates a core file after leaking memory in different cases 

Previously, the Web Proxy generated a core file after leaking memory in different 
cases. This no longer occurs. Now, this version includes several fixes that address the 
different memory leaks that resulted in the Web Proxy generating a core file. 

80764

Fixed: Web Proxy generates a core file uploading data to an HTTPS server in 
some cases 

Previously, the Web Proxy generated a core file uploading data to an HTTPS server in 
some cases. This no longer occurs. 

82850

Previously, the Web Proxy generated a core file when processing HTTPS responses 
from servers that send some malformed server certificates. This no longer occurs. 

81860, 81874

Fixed: Web Proxy erroneously marks an upstream proxy server as “sick” when 
it responds with a 5xx response in some cases 

Previously, when a client sent a CONNECT request, the Web Proxy erroneously 
marked an upstream proxy server as “sick” when the proxy server responded to the 
Web Proxy with a 5xx response with no Via HTTP header. This no longer occurs. 
Additionally, the Default Proxy Log contains additional information at the DEBUG 
level to help troubleshoot the health of upstream proxy servers. 

81405

Fixed: Cannot modify the DNS time to live (TTL) parameter 

Previously, you could not modify the DNS time to live (TTL) parameter the Web 
Security appliance used. This no longer occurs. You can now modify this value using 
the 

dnsconfig > setup

 CLI command.