2 ms·
NAT breaks the end-to-end IP communication To let things work, we added ALG (application level gateway), which are code used to remotely allow flows Look at t
by JackSlateur 3y ago
NAT breaks the end-to-end IP communication
To let things work, we added ALG (application level gateway), which are code used to remotely allow flows
Look at them, a whole universe of issue lies there
- cyberax 3y agoALGs are not used or needed for most protocols anymore, they are actively harmful in most cases. The current state of the art is to use hole punching and STUN.
- JackSlateur 3y agoBeing used ? Being needed ? What is important is that they are here and enabled and ready to be exploited
- cyberax 3y agoALGs (for SIP and FTP) are not enabled on OpenWRT by default. And I don't think any other ALGs had ever been widely used in practice.