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Tunnel TCP connections through ICMP.

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There is an error when make it,“error: a label can only be part of a statement and a declaration is not a statement” I think its because the C language...

When building ptunnel-ng on macOS 12.3.1/x86_64, there are warnings output: ./autogen.sh […] […] test -z "" || rm -f rm -f *.o make[1]: Nothing to be done for `clean-am'. ->...

good first issue

Thanks for this great piece of software. I'm using the reverse SSH Tunnel solution. It works great. However about every minute connection closes and gets re-established. Any idea whats wrong...

need more info

Im having a hard time getting this to run on fedora or centos. are there other dependencies that i need to get this to work?

help wanted

if (!cur->recv_ring[pos] && pt_pkt->state == kProto_data) { pt_log(kLog_verbose, "Out of order. Expected: %d Got: %d Inserted: %d " "(cur = %d)\n", cur->next_remote_seq, pt_pkt->seq_no, pos, cur->recv_idx); cur->recv_ring[pos] = create_fwd_desc(pt_pkt->seq_no, pt_pkt->data_len, pt_pkt->data);...

need more info

Add port range proxy, example ./ptunnel-ng -p 10.10.210.2 -l4000-4100 -r192.168.1.80 -R1000-1100

enhancement

It would be great to have the option of encapsulating UDP packets in addition to TCP over ICMP. This would make it possible, for example, to tunnel an encrypted OpenVPN...

enhancement

As mentioned by @cdpxe in #16: Some important points has to be investigated and fixed (see: https://onlinelibrary.wiley.com/doi/full/10.1002/sec.1471): 1. Sniffing of header/payload: The payload is usually SSH/VPN/stunnel based and encrypted. But...

enhancement

FYI, in case you want to know, I've been glazing through the current cryptography a tiny bit, and I've found at least the following issues: 1. Data is not authenticated,...

enhancement