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Some cheap NAT devices rewrites stuff that "looks like" the internal IP addresses inside the TCP payload, in a hackish attempt to "fix" things like FTP and othe
by 0x0 13y ago
Some cheap NAT devices rewrites stuff that "looks like" the internal IP addresses inside the TCP payload, in a hackish attempt to "fix" things like FTP and other protocols that send addresses in the payload. A really stupid and dangerous way to do things, but it's been known to happen.
- tjgq 13y agoCrazy. Has that been observed in carrier-grade NAT boxes, though? Or only in el-cheapo residential devices? It seems an incredible risk to the carriers to do things that way.