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mikruser
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Suggestion: VPN over ICMP

Wed Aug 28, 2019 12:07 am

Hello,
Please implement VPN over ICMP (ICMP Tunnel)
(it can be very useful in some countries with a totalitarian regime)))
 
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sebastia
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Re: Suggestion: VPN over ICMP

Wed Aug 28, 2019 12:18 am

Hello
From high-level point of view, there would be little difference between udp. And high stream of large icmp packets would be a red flag on it's own.
Furthermore, some networks / routers perform icmp "optimisation" / rate limiting, which would result in high packet loss.

So far from stealthy.

Ps: if stealth is needed, hide in plain sight -> ssl based vpn, as almost everything is using it nowadays.
 
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jspool
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Re: Suggestion: VPN over ICMP

Wed Aug 28, 2019 1:27 am

Hello
From high-level point of view, there would be little difference between udp. And high stream of large icmp packets would be a red flag on it's own.
Furthermore, some networks / routers perform icmp "optimisation" / rate limiting, which would result in high packet loss.

So far from stealthy.

Ps: if stealth is needed, hide in plain sight -> ssl based vpn, as almost everything is using it nowadays.
Absolutely correct. ICMP is commonly filtered and would not be a reliable method of connectivity.
 
mikruser
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Re: Suggestion: VPN over ICMP

Fri Nov 01, 2019 3:10 pm

Absolutely incorrect.
Normal providers do not touch transit icmp traffic.

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