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Earlier quoted context omitted.
Its been around since like 1996 at least, likely earlier. Its A.B.C.D with A 255^3 + B 255^2 + C 255^1 + D 255^0. Used to get around filters a long time ago but broke as most sites host multiple domains and it needs your browsers 'hostname' it sends it as part of the request to actually return the right site/page.
the 255s should be 256.
$ man 3 inet_aton […] inet_aton() converts the Internet host address cp from the IPv4 numbers-and-dots notation into binary form (in network byte order) and stores it in the structure that inp points to. inet_aton() returns nonzero if the address is valid, zero if not. The address supplied in cp can have one of the following forms: a.b.c.d Each of the four numeric parts specifies a byte of the address; the bytes are…
This is just a convention from BSD, and is not even POSIX compliant. However, 'ping 1.1' is a convenient shortcut (actually pings 1.0.0.1). iproute2 and systemd do not use inet_aton and don't follow this BSD4.2 convention and instead parse it as '1.1.0.0' or not at all.
Earlier quoted context omitted.
This is just a convention from BSD, and is not even POSIX compliant. However, 'ping 1.1' is a convenient shortcut (actually pings 1.0.0.1). iproute2 and systemd do not use inet_aton and don't follow this BSD4.2 convention and instead parse it as '1.1.0.0' or not at all.
I saw someone ping 127.1 a while back and I was so surprised I didn't know about this even after a few years in networking in the past.
Warp bypassed government blocked sites in my country (the UK - which blocks RT.com as part of war efforts). I'm not sure how long they'll be able to run such a service till the government tells them they have to implement site blocking.
$ man 3 inet_aton […] inet_aton() converts the Internet host address cp from the IPv4 numbers-and-dots notation into binary form (in network byte order) and stores it in the structure that inp points to. inet_aton() returns nonzero if the address is valid, zero if not. The address supplied in cp can have one of the following forms: a.b.c.d Each of the four numeric parts specifies a byte of the address; the bytes are…
This is just a convention from BSD, and is not even POSIX compliant. However, 'ping 1.1' is a convenient shortcut (actually pings 1.0.0.1). iproute2 and systemd do not use inet_aton and don't follow this BSD4.2 convention and instead parse it as '1.1.0.0' or not at all.
Convenient for who!? that one guy that put his home network in 10.0.0 class ?
similarly, https://1.1
Or, one character shorter: http://ai Is this maybe the shortest (currently reachable) domain?
Warp bypassed government blocked sites in my country (the UK - which blocks RT.com as part of war efforts). I'm not sure how long they'll be able to run such a service till the government tells them they have to implement site blocking.