Socket Communication Security Issues

Question

Are there any security issues when communicating between applications on the same computer through sockets?

Answer 1

When you say "security concerns", you need to define a "Threat Model"

Who could harm you?

• Malicious program running on your PC
• Malicious users running your PC.
• Malicious users on the network

What do you want to protect against?

• Malicious Proverb
• Malicious message injection
• Introducing / Removing Malicious Messages

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Answer 2

loopback (localhost 127.x.x.x), , "" .

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