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Tool to ping hosts through firewalls blocking ICMP
The utility `ProxyPing` is a simple tool to ping servers behind a firewall that will not let ICMP packages
through. It provides a HTTP server answering to ping requests and returning the ping delay as a HTTP text result. The
tool will have to be deployed on a server behind the firewall that can be reached by a configurable TCP
connection (defaulting to port TCP 6666).
This has a Python ICAP (Internet Content Adaptation Protocol) server and IRML parser. Using this, a web proxy can do rule-based adaptation of content before delivery to clients. Has a Python proxylet API and squid-icap-client code too.
Archangel is meant to be a sort of 'improved' version of dansguardian and uses the same default lists as dansguardian. It is basically dansguardian rewritten in python as an ICAP server as opposed to a proxy front-end. The benefits of archangel over dansguardian include:
1. Because it is an ICAP filter, it interfaces with squid and can do HTTPS filtering as well as regular HTTP.
2. Because it uses blocking modules and is written in python, it is extremely easy to write new modules for very complex, intensive blocking. ...