SOCKS5
SOCKS is an Internet protocol that the routes network packets through a proxy server. Socks5 additionally provides authentication so only authorized users may access a server. One use of SOCKS is to allow connections to be made through a firewall.
Available to all SRX running 12.3X48+
Available to all MX running 20.2R1+
Available to all vSRX running 20.3R1+