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Diff for /src/share/man/man7/sysctl.7 between version 1.123 and 1.131

version 1.123, 2018/02/22 14:37:53 version 1.131, 2018/09/06 10:09:29
Line 29 
Line 29 
 .\"  .\"
 .\"     @(#)sysctl.3    8.4 (Berkeley) 5/9/95  .\"     @(#)sysctl.3    8.4 (Berkeley) 5/9/95
 .\"  .\"
 .Dd February 22, 2018  .Dd September 6, 2018
 .Dt SYSCTL 7  .Dt SYSCTL 7
 .Os  .Os
 .Sh NAME  .Sh NAME
Line 1492  This cannot be set to less than 1024 or 
Line 1492  This cannot be set to less than 1024 or 
 .It Li ip.checkinterface  .It Li ip.checkinterface
 If set to non-zero, the host will reject packets addressed to it  If set to non-zero, the host will reject packets addressed to it
 that arrive on an interface not bound to that address.  that arrive on an interface not bound to that address.
 Currently, this must be disabled if ipnat is used to translate the  Currently, this must be disabled if NAT is used to translate the
 destination address to another local interface, or if addresses  destination address to another local interface, or if addresses
 are added to the loopback interface instead of the interface where  are added to the loopback interface instead of the interface where
 the packets for those packets are received.  the packets for those packets are received.
Line 2041  The currently defined variable and names
Line 2041  The currently defined variable and names
 .It esp_auth    integer yes  .It esp_auth    integer yes
 .It ah_keymin   integer yes  .It ah_keymin   integer yes
 .El  .El
 .Pp  
 The variables are as follows:  The variables are as follows:
 .Bl -tag -width "123456"  .Bl -tag -width "123456"
 .It Li debug  .It Li debug
 Turn on debugging message from within the kernel.  Turn on debugging message from within the kernel.
 The value is a bitmap, as defined in  The value is a bitmap, as defined in
 .In netkey/key_debug.h .  .In netipsec/key_debug.h .
 .It Li enabled  .It Li enabled
 Control processing of IPsec control messages.  Control processing of IPsec control messages.
 .Bl -tag -width indent  .Bl -tag -width indent
Line 2059  Allow IPsec processing when SPD policies
Line 2058  Allow IPsec processing when SPD policies
 Force IPsec processing even when SPD policies are not present.  Force IPsec processing even when SPD policies are not present.
 .El  .El
 .It Li used  .It Li used
 Based on if IPsec is enabled, and SPD rule existance, show if  Based on if IPsec is enabled, and SPD rule existence, show if
 IPsec is being used.  IPsec is being used.
 Note that currently once IPsec is being used, it cannot be disabled.  Note that currently once IPsec is being used, it cannot be disabled.
 .It Li spi_try  .It Li spi_try
Line 2091  Minimum AH key length, in bits,
Line 2090  Minimum AH key length, in bits,
 The value is used when the kernel creates proposal payload  The value is used when the kernel creates proposal payload
 on ACQUIRE PF_KEY message.  on ACQUIRE PF_KEY message.
 .El  .El
   .It Li net.local ( Dv PF_LOCAL )
   Get or set various global information about
   .Dv AF_LOCAL
   type sockets.
   For some variables, the third level name is the variable name:
   .Bl -column "Variable" "integer" "Changeable" -offset indent
   .It Sy Variable Type Ta Sy Changeable
   .It inflight    integer no
   .It deferred    integer no
   .El
   The variables are as follows:
   .Bl -tag -width "123456"
   .It Li inflight
   The number of file descriptors currently passed between processes,
   .Qq in flight .
   .It Li deferred
   The number of file descriptors passed between processes that have been
   deferred for cleanup by a kernel task.
   .El
   .Pp
   Other variables are specific to a socket type:
   .Bl -column "seqpacket" "sendspace" "integer" "Changeable" -offset indent
   .It Sy "Socket Type"    Sy Variable     Type Ta Sy Changeable
   .It dgram       pcblist struct  no
   .It dgram       recvspace       integer yes
   .It dgram       sendspace       integer yes
   .It seqpacket   pcblist struct  no
   .It stream      pcblist struct  no
   .It stream      recvspace       integer yes
   .It stream      sendspace       integer yes
   .El
   The variables are as follows:
   .Bl -tag -width "123456"
   .It Li dgram.pcblist
   The Protocol Control Block list structure for datagram sockets.
   Parsed by
   .Xr netstat 8
   or
   .Xr sockstat 8 .
   .It Li dgram.recvspace
   The default datagram receive buffer size.
   .It Li dgram.sendspace
   The default datagram send buffer size.
   .It Li seqpacket.pcblist
   The Protocol Control Block list structure for Sequential Packet sockets.
   Parsed by
   .Xr netstat 8
   or
   .Xr sockstat 8 .
   .It Li stream.pcblist
   The Protocol Control Block list structure for stream sockets.
   Parsed by
   .Xr netstat 8
   or
   .Xr sockstat 8 .
   .It Li stream.recvspace
   The default stream receive buffer size.
   .It Li stream.sendspace
   The default stream send buffer size.
   .El
 .El  .El
 .Ss The proc.* subtree  .Ss The proc.* subtree
 The string and integer information available for the  The string and integer information available for the
Line 2450  privilege may change the value.
Line 2509  privilege may change the value.
 .Bl -column "Second level name" "integer" "Changeable" -offset indent  .Bl -column "Second level name" "integer" "Changeable" -offset indent
 .It Sy Second level name Ta Sy Type Ta Sy Changeable  .It Sy Second level name Ta Sy Type Ta Sy Changeable
 .It ddb.commandonenter  string  yes  .It ddb.commandonenter  string  yes
 .It ddb.dumpstack       integer yes  .It ddb.dumpstack       integer yes
 .It ddb.fromconsole     integer yes  .It ddb.fromconsole     integer yes
 .It ddb.lines   integer yes  .It ddb.lines   integer yes
 .It ddb.maxoff  integer yes  .It ddb.maxoff  integer yes
Line 2463  privilege may change the value.
Line 2522  privilege may change the value.
 .El  .El
 .Bl -tag -width "123456"  .Bl -tag -width "123456"
 .It Li ddb.commandonenter  .It Li ddb.commandonenter
 If not empty, a command to be executed on each enter to the DDB.  If not empty, the string is used as the DDB command to be executed each time
   DDB is entered.
 .It Li ddb.dumpstack  .It Li ddb.dumpstack
 A value of 1 causes a stack trace to be printed on entering ddb from a panic.  A value of 1 causes a stack trace to be printed on entering ddb from a panic.
 A value of 0 disables this behaviour. The default value is 1.  A value of 0 disables this behaviour.
   The default value is 1.
 .It Li ddb.fromconsole ( Dv DDBCTL_FROMCONSOLE )  .It Li ddb.fromconsole ( Dv DDBCTL_FROMCONSOLE )
 If not zero, DDB may be entered by sending a break on a serial  If not zero, DDB may be entered by sending a break on a serial
 console or by a special key sequence on a graphics console.  console or by a special key sequence on a graphics console.

Legend:
Removed from v.1.123  
changed lines
  Added in v.1.131

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