Les 2 bloquent sans réponsse HTTP(S):
$ curl -6v -D - http://curlmyip.net
* Expire in 0 ms for 6 (transfer 0x564fcb2a6f50)
[...]
* Trying 2001:bc8:1200:6:208:a2ff:fe0c:631a...
* TCP_NODELAY set
* Expire in 200 ms for 4 (transfer 0x564fcb2a6f50)
* Connected to curlmyip.net (2001:bc8:1200:6:208:a2ff:fe0c:631a) port 80 (#0)
> GET / HTTP/1.1
> Host: curlmyip.net
> User-Agent: curl/7.64.0
> Accept: */*
>
^C
et
$ curl -6v -D - https://curlmyip.net
* Expire in 0 ms for 6 (transfer 0x55f3eb215f50)
[...]
* Trying 2001:bc8:1200:6:208:a2ff:fe0c:631a...
* TCP_NODELAY set
* Expire in 200 ms for 4 (transfer 0x55f3eb215f50)
* Connected to curlmyip.net (2001:bc8:1200:6:208:a2ff:fe0c:631a) port 443 (#0)
* ALPN, offering h2
* ALPN, offering http/1.1
* successfully set certificate verify locations:
* CAfile: none
CApath: /etc/ssl/certs
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
Une connexion 'ssh' qui n'aboutie pas :
$ ssh 2001:12:15:16::1 -v
OpenSSH_7.9p1 Debian-10+deb10u2, OpenSSL 1.1.1d 10 Sep 2019
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: /etc/ssh/ssh_config line 256: Applying options for *
debug1: Connecting to 2001:12:15:16::1 [2001:12:15:16::1] port 22.
debug1: Connection established.
debug1: identity file /home/stardust/.ssh/id_rsa type 0
debug1: identity file /home/stardust/.ssh/id_rsa-cert type -1
debug1: identity file /home/stardust/.ssh/id_dsa type -1
debug1: identity file /home/stardust/.ssh/id_dsa-cert type -1
debug1: identity file /home/stardust/.ssh/id_ecdsa type -1
debug1: identity file /home/stardust/.ssh/id_ecdsa-cert type -1
debug1: identity file /home/stardust/.ssh/id_ed25519 type -1
debug1: identity file /home/stardust/.ssh/id_ed25519-cert type -1
debug1: identity file /home/stardust/.ssh/id_xmss type -1
debug1: identity file /home/stardust/.ssh/id_xmss-cert type -1
debug1: Local version string SSH-2.0-OpenSSH_7.9p1 Debian-10+deb10u2