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- # @(#)inet.dfl 1.6
- # $Header: $
- #
- # *** Warning ***
- #
- # This file is automatically updated by the inconfig
- # command. Do not make any changes to it by hand.
- # Use the inconfig command instead. Also, avoid
- # making changes to kernel space.c files, since they
- # will be overridden by inconfig when the system goes
- # multi-user.
- #
- # variable value
- # -----------------------------------
- #
- # ARP debugging
- #
- arpprintfs 0
- #
- # maximum # of times to try an arp before giving up
- #
- arp_maxtries 5
- #
- # prune the ARP cache every <n> seconds
- #
- arpt_prune 300
- #
- # keep valid entries for <n> seconds
- #
- arpt_keep 1200
- #
- # if ARP lookup fails, hold entry down for <n>
- # seconds
- #
- arpt_down 20
- #
- # IGMP debugging
- #
- igmpprintfs 0
- #
- # IP debugging
- #
- ipprintfs 0
- #
- # The next three are maintained by IP so that interfaces can be initialized
- # with them.
- #
- # Recv window size that TCP should use (can be overridden with SO_RCVBUF)
- #
- in_recvspace 4096
- #
- # TCP send high-water mark (can be overridden with SO_SNDBUF)
- # (it's good if this is at least as large as the loopback MTU)
- #
- in_sendspace 8192
- #
- # If 1, TCP will use full size segments, (e.g. 1460 bytes on 802.3)
- # otherwise they will be rounded to a multiple of 1K.
- #
- in_fullsize 1
- #
- # default time-to-live (RFC 1340 recommends 64)
- #
- ip_ttl 64
- #
- # forward datagrams from one interface to another
- #
- ipforwarding 0
- #
- # send redirects if forwarding out same interface
- # (should be 1 if ipforwarding is 1)
- #
- ipsendredirects 0
- #
- # forward broadcast datagrams.
- #
- ip_forward_broadcasts 0
- #
- # treat other subnets as direct attach for purposes of MTU
- # configuration
- #
- ip_subnetsarelocal 1
- #
- # disallow receipt of broadcasts unless they were received on the
- # interface whose broadcast address matches the packet's destination
- #
- ip_dirbroadcast 1
- #
- # The default is that hosts will not forward non-local source routes.
- # If you are acting as a router (e.g., ipforwarding is 1) this should
- # probably be on, unless you are worried about security.
- #
- ipnonlocalsrcroute 0
- #
- # Check for a broadcast IP address in a unicast packet. Not all interfaces
- # set the dl_group_address bit, so if you see lots of complaints (using
- # netstat -sp ip), you can turn this off.
- #
- ip_checkbroadaddr 1
- #
- # Set IP TOS in DL_UNITDATA_REQs going to drivers
- #
- ip_settos 1
- #
- # ICMP debugging
- #
- icmpprintfs 0
- #
- # 1 == answer subnet mask requests
- #
- icmp_answermask 0
- #
- # Number of source quench addresses to remember each 200ms
- #
- icmp_quenchsz 32
- #
- # Reply to icmp requests directed to broadcast/multicast/experimental
- # addresses ?
- #
- icmp_reply_broadcasts 0
- #
- # Perform Path MTU discovery
- #
- ip_perform_pmtu 1
- #
- # Time interval to age out entries that have been decreased (in seconds)
- #
- ip_pmtu_decrease_age 600
- #
- # Time interval to age out entries that have been increased (in seconds)
- #
- ip_pmtu_increase_age 120
- #
- # The following four items control the allocation and verification
- # of port numbers. A reserved port is now one that is equal to or less than
- # ipport_reserved_high (default 1024). Care should be taken when
- # altering these values - in particular it would be unwise to allow
- # them to overlap.
- #
- # Bottom of port range from which priviliged ports will be allocated.
- #
- ipport_reserved_low 512
- #
- # Top of port range from which priviliged ports will be allocted, and also
- # which will be considered priviliged when used by remote systems.
- #
- ipport_reserved_high 1024
- #
- # Bottom of port range from which ephemeral ports will be allocated.
- # (this was previously fixed at 1024).
- #
- ipport_userreserved_low 32768
- #
- # Top of port range from which ephemeral ports will be allocated.
- # (this was previously fixed at 5000).
- #
- ipport_userreserved_high 65535
- #
- # when debugging this controls how many bytes of the error
- # packet are displayed on the console
- #
- in_loglimit 64
- #
- # TCP debugging
- #
- tcpprintfs 0
- #
- # Offer an MSS bigger than 536 even on non-connected networks
- # To get maximum benefit from PMTU discovery, this should be non-zero.
- #
- tcp_offer_big_mss 1
- #
- # interface MTUs smaller than mss_sw_threshold trigger
- # "small" window
- #
- tcp_mss_sw_threshold 1024
- #
- # TCP recv window size if MTU < tcp_mss_sw_threshold
- #
- tcp_small_recvspace 4096
- #
- # 1 == tcp_trace on console to avoid trpt
- #
- tcpconsdebug 0
- #
- # 1 == debug (tcp_trace) all TCP connections
- #
- tcpalldebug 0
- #
- # Default TCP segment size if one can't be picked
- # (should err on side of being small)
- #
- tcp_mssdflt 512
- #
- # TCP timeout for connection establishment (in seconds)
- # defaults to 3 minutes per RFC 1122
- #
- tcp_initial_timeout 180
- #
- # keepalive idle value in seconds
- # defaults to two hours (60 * 120) == 7200
- #
- tcp_keepidle 7200
- #
- # keepalive interval once keepalives start
- # defaults to 75 seconds
- #
- tcp_keepintvl 75
- #
- # number of keepalives sent once keepalives start
- # defaults to 8
- #
- tcp_nkeep 8
- #
- # number of low-order bits used from MD5 digest for incrementing the
- # initial send sequence number
- tcp_seqbits 21
- #
- # secret value used in computing MD5 digest
- #
- tcp_secret 324478056
- #
- # Urgent data interpretation
- # 0 == RFC 1122, 1 == BSD
- #
- tcp_urgbehavior 1
- #
- # Control the use of delayed acks. If immediate acks are required,
- # set to 0
- #
- tcp_delay_acks 1
- #
- # default time that connections will remain in TIME-WAIT.
- # defaults to 4 minutes per RFC 793. Those who like to live
- # dangerously can set this lower.
- #
- tcp_2msl 240
- #
- # UDP debugging
- #
- udpprintfs 0
-