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PRTG Catches Network Issues Before They Cause Downtime
Threshold-based alerts flag problems early, so your team can act before users notice, not after.
Reactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
Http-proxy-tunnel creates TCP tunnels through http proxies that permit the CONNECT method. It differs from other proxy tunnelling programs in that it can tunnel through multiple proxies, and can use SSL tunnels. These abilities mean that in combination with a web server that can proxy (such as Apache) you can serve normal web pages from ports 80 and 443 and connect to the server (using ssh say) via those ports at the same time.
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).
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