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ceresfig ceresfig Jun 7, 2026
Posted Sun, Jun 7, 2026 3:48 PM

Support for IPv6

Hello, are there any plans to support IPv6? I’ve noticed that I’m unable to access certain IPv6-only services when using a proxy.

q@mbp ~$ curl -x socks5h://127.0.0.1:6153 https://icanhazip.com/
198.98.58.43
q@mbp ~$ curl -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/

curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -x socks5h://127.0.0.1:6153 https://ipv6.google.com/                35 ↵
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.google.com:443
q@mbp ~$ curl -v --max-time 12 -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/
*   Trying 127.0.0.1:6153...
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* SOCKS5 connect to ipv6.icanhazip.com:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/cert.pem
*  CApath: none
* LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
* Closing connection
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -v --max-time 12 -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/
*   Trying 127.0.0.1:6153...
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* SOCKS5 connect to ipv6.icanhazip.com:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/cert.pem
*  CApath: none
* LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
* Closing connection
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -v --max-time 12 -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/    35 ↵
*   Trying 127.0.0.1:6153...
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* SOCKS5 connect to ipv6.icanhazip.com:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/cert.pem
*  CApath: none
* LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
* Closing connection
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -v --max-time 12 -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/    35 ↵
*   Trying 127.0.0.1:6153...
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* SOCKS5 connect to ipv6.icanhazip.com:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/cert.pem
*  CApath: none
* LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
* Closing connection
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -v --max-time 12 -x socks5h://127.0.0.1:6153 https://ipv6.icanhazip.com/    35 ↵
*   Trying 127.0.0.1:6153...
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* SOCKS5 connect to ipv6.icanhazip.com:443 (remotely resolved)
* SOCKS5 request granted.
* Connected to 127.0.0.1 (127.0.0.1) port 6153
* ALPN: curl offers h2,http/1.1
* (304) (OUT), TLS handshake, Client hello (1):
*  CAfile: /etc/ssl/cert.pem
*  CApath: none
* LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
* Closing connection
curl: (35) LibreSSL SSL_connect: SSL_ERROR_SYSCALL in connection to ipv6.icanhazip.com:443
q@mbp ~$ curl -6 https://icanhazip.com/                                                   35 ↵
198.98.58.43
q@mbp ~$ dig AAAA ipv6.google.com


; <<>> DiG 9.10.6 <<>> AAAA ipv6.google.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2379
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;ipv6.google.com.               IN      AAAA

;; Query time: 22 msec
;; SERVER: 198.18.0.2#53(198.18.0.2)
;; WHEN: Sun Jun 07 20:45:52 +05 2026
;; MSG SIZE  rcvd: 33

q@mbp ~$

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