Short Name |
APP:SOCKS:SMTP-PROXY-HTTP |
---|---|
Severity |
Info |
Recommended |
No |
Category |
APP |
Keywords |
SOCKS SMTP Proxy Request via SOCKS using HTTP |
Release Date |
2006/03/01 |
Update Number |
1213 |
Supported Platforms |
idp-4.0+, isg-3.0+, j-series-9.5+, mx-11.4+, srx-12.1+, srx-branch-12.1+, vmx-17.4+, vsrx-12.1+, vsrx3bsd-18.2+ |
This signature detects an attempt to proxy a SMTP (TCP/25) connection through a SOCKS proxy. Spammers use unsecured SOCKS proxies to bypass black-list services and force spam through. SOCKS proxies are installed on several versions of Windows and can be accidentally activated by enabling Internet Connection Sharing.
None