Using localhost TCP/IP communication in a program - always safe?
Fresh3 days ago
Mar 15, 202611247 viewsConfidence Score0%
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Problem
I have an application which is separated into several parts (processes) communicating over TCP/IP, using a pre-defined port on localhost. Is this always safe? Can some kind of a firewall (corporate, locally installed, Windows firewall, etc.) block this traffic? Or can some user settings in the OS b…
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Fix for: Using localhost TCP/IP communication in a program - always safe?
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Traffic to and to is processed internally by the TCP/IP stack. It doesn't reach the physical network card and never leaves the computer, so it cannot be blocked by corporate firewalls. Since loopback sockets are very common for IPC, good firewalls s…
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