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head/contrib/netcat/nc.1
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.Sh SYNOPSIS | .Sh SYNOPSIS | ||||
.Nm nc | .Nm nc | ||||
.Bk -words | .Bk -words | ||||
.Op Fl 46DdEFhklMNnrStUuvz | .Op Fl 46DdEFhklMNnrStUuvz | ||||
.Op Fl e Ar IPsec_policy | .Op Fl e Ar IPsec_policy | ||||
.Op Fl I Ar length | .Op Fl I Ar length | ||||
.Op Fl i Ar interval | .Op Fl i Ar interval | ||||
.Op Fl -no-tcpopt | .Op Fl -no-tcpopt | ||||
.Op Fl -sctp | |||||
.Op Fl O Ar length | .Op Fl O Ar length | ||||
.Op Fl P Ar proxy_username | .Op Fl P Ar proxy_username | ||||
.Op Fl p Ar source_port | .Op Fl p Ar source_port | ||||
.Op Fl s Ar source | .Op Fl s Ar source | ||||
.Op Fl T Ar toskeyword | .Op Fl T Ar toskeyword | ||||
.Op Fl V Ar rtable | .Op Fl V Ar rtable | ||||
.Op Fl w Ar timeout | .Op Fl w Ar timeout | ||||
.Op Fl X Ar proxy_protocol | .Op Fl X Ar proxy_protocol | ||||
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Some servers require this to finish their work. | Some servers require this to finish their work. | ||||
.It Fl n | .It Fl n | ||||
Do not do any DNS or service lookups on any specified addresses, | Do not do any DNS or service lookups on any specified addresses, | ||||
hostnames or ports. | hostnames or ports. | ||||
.It Fl -no-tcpopt | .It Fl -no-tcpopt | ||||
Disables the use of TCP options on the socket, by setting the boolean | Disables the use of TCP options on the socket, by setting the boolean | ||||
TCP_NOOPT | TCP_NOOPT | ||||
socket option. | socket option. | ||||
.It Fl -sctp | |||||
Use SCTP instead of the default option of TCP. | |||||
.It Fl O Ar length | .It Fl O Ar length | ||||
Specifies the size of the TCP send buffer. | Specifies the size of the TCP send buffer. | ||||
.It Fl P Ar proxy_username | .It Fl P Ar proxy_username | ||||
Specifies a username to present to a proxy server that requires authentication. | Specifies a username to present to a proxy server that requires authentication. | ||||
If no username is specified then authentication will not be attempted. | If no username is specified then authentication will not be attempted. | ||||
Proxy authentication is only supported for HTTP CONNECT proxies at present. | Proxy authentication is only supported for HTTP CONNECT proxies at present. | ||||
.It Fl p Ar source_port | .It Fl p Ar source_port | ||||
Specifies the source port | Specifies the source port | ||||
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