<listitem><para>Takes a one of <option>default</option>,
<option>both</option> or <option>ipv6-only</option>. Controls
the IPV6_V6ONLY socket option (see
- <citerefentry><refentrytitle>ipv6</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>ipv6</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details). If <option>both</option>, IPv6 sockets bound
will be accessible via both IPv4 and IPv6. If
<option>ipv6-only</option>, they will be accessible via IPv6
this socket to. If set, traffic will only be accepted from the
specified network interfaces. This controls the
SO_BINDTODEVICE socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details). If this option is used, an automatic dependency
from this socket unit on the network interface device unit
(<citerefentry><refentrytitle>systemd.device</refentrytitle><manvolnum>5</manvolnum></citerefentry>
<filename>/proc/sys/net/ipv4/tcp_keepalive_time</filename>)
for all TCP streams accepted on this socket. This controls the
SO_KEEPALIVE socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
and the <ulink
url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP
Keepalive HOWTO</ulink> for details.) Defaults to
<listitem><para>Takes time (in seconds) as argument . The connection needs to remain
idle before TCP starts sending keepalive probes. This controls the TCP_KEEPIDLE
socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
and the <ulink
url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP
Keepalive HOWTO</ulink> for details.)
individual keepalive probes, if the socket option SO_KEEPALIVE
has been set on this socket seconds as argument. This controls
the TCP_KEEPINTVL socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
and the <ulink
url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP
Keepalive HOWTO</ulink> for details.) Defaults value is 75
unacknowledged probes to send before considering the
connection dead and notifying the application layer. This
controls the TCP_KEEPCNT socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
and the <ulink
url="http://www.tldp.org/HOWTO/html_single/TCP-Keepalive-HOWTO/">TCP
Keepalive HOWTO</ulink> for details.) Defaults value is
algorithm works by combining a number of small outgoing
messages, and sending them all at once. This controls the
TCP_NODELAY socket option (see
- <citerefentry><refentrytitle>tcp</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>tcp</refentrytitle><manvolnum>7</manvolnum></citerefentry>
Defaults to <option>false</option>.</para></listitem>
</varlistentry>
<listitem><para>Takes an integer argument controlling the
priority for all traffic sent from this socket. This controls
the SO_PRIORITY socket option (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.).</para></listitem>
</varlistentry>
established. When this option is set, the
<constant>TCP_DEFER_ACCEPT</constant> socket option will be
used (see
- <citerefentry><refentrytitle>tcp</refentrytitle><manvolnum>7</manvolnum></citerefentry>),
+ <citerefentry project='die-net'><refentrytitle>tcp</refentrytitle><manvolnum>7</manvolnum></citerefentry>),
and the kernel will ignore initial ACK packets without any
data. The argument specifies the approximate amount of time
the kernel should wait for incoming data before falling back
<listitem><para>Takes an integer argument controlling the
receive or send buffer sizes of this socket, respectively.
This controls the SO_RCVBUF and SO_SNDBUF socket options (see
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.). The usual suffixes K, M, G are supported and
are understood to the base of 1024.</para></listitem>
</varlistentry>
<listitem><para>Takes an integer argument controlling the IP
Type-Of-Service field for packets generated from this socket.
This controls the IP_TOS socket option (see
- <citerefentry><refentrytitle>ip</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>ip</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.). Either a numeric string or one of
<option>low-delay</option>, <option>throughput</option>,
<option>reliability</option> or <option>low-cost</option> may
Time-To-Live/IPv6 Hop-Count field for packets generated from
this socket. This sets the IP_TTL/IPV6_UNICAST_HOPS socket
options (see
- <citerefentry><refentrytitle>ip</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>ip</refentrytitle><manvolnum>7</manvolnum></citerefentry>
and
- <citerefentry><refentrytitle>ipv6</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>ipv6</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.)</para></listitem>
</varlistentry>
mark of packets generated by this socket. This can be used in
the firewall logic to filter packets from this socket. This
sets the SO_MARK socket option. See
- <citerefentry><refentrytitle>iptables</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>iptables</refentrytitle><manvolnum>8</manvolnum></citerefentry>
for details.</para></listitem>
</varlistentry>
<citerefentry><refentrytitle>bind</refentrytitle><manvolnum>2</manvolnum></citerefentry>s
to this TCP or UDP port. This controls the SO_REUSEPORT socket
option. See
- <citerefentry><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
+ <citerefentry project='man-pages'><refentrytitle>socket</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.</para></listitem>
</varlistentry>
control the mq_maxmsg field or the mq_msgsize field,
respectively, when creating the message queue. Note that
either none or both of these variables need to be set. See
- <citerefentry><refentrytitle>mq_setattr</refentrytitle><manvolnum>3</manvolnum></citerefentry>
+ <citerefentry project='die-net'><refentrytitle>mq_setattr</refentrytitle><manvolnum>3</manvolnum></citerefentry>
for details.</para></listitem>
</varlistentry>
~ianmdlvl / elogind.git / blobdiff