???????    Sysadmin  ??????????????  ????? ? ?????  ??????????  ???????????? ???????  ?????????????  ? ???????  ? ???????????  ???????? ? ??????  ???????????  ??????????? ???????  ???????? ????? ?????? ?????? ???????? ??????????  ??????  ??????  ?????? ?????? 1924-1994  ??????? ?? ??????  ???? ? ???????  ????? ??????????  ?????????

??? ?????????? ?????????? IP ?????? ??????? ???? ????????? (c?????) ????????? ???????? ???????. ???????????? ????? ?? ?????? ???????????????, ?? ???? ??????????????? ??????????? ? ??? ??????? ?? ??? ????? ?????? ???? ?? ??????? ????-?? ????? ??????? (????? ?????? ??????? ????? SNMP - ??????? ????? :) ????? ????????? - ????? ??????? ?? ???? ;-) dkws.narod.ru/online/ipcount.html ???? ????????? (c?????) ????????? ???????? ???????: ?? ??????, ?????? ?? SNMP (OutOctets ?? ??????????, ????? ?????????? mrtg) ?? ??????, ?????? ?? Cisco (ip accounting) ?? ??????, ?????? ?? /proc/tty/driver/serial (X: tx:9999 rx:9999) ?? ??????, ?????? ?? radacct (radius-accounting/ OutOctets) ?? ipchains (ipfwadm/ipfw) ? ??????? nacctd (?????????? ?? libcap/tcpdump) ?????? (? ???? ??? ??????? ??? ??????, ? ??? ?????? ???? ?????-?? ???????? ? ???) ?????? ?? ??? ??????? ??-???????(!) ;-) ? ?? ??? ?????? ??????? ????????. ? ??? ?????????? ? ?? ??????????? ????? ?? ??? ??????? ????? ?????????. ? ????? ?????? ???? ?? 64 ????? ?????????? ??? 84 ?????, ? ?????? ??? 89, ? ?????? ??????? ??? ???????? TCP ??????? ?????? ???????.... ???????????? ????? ?? ?????? ???????????????, ?? ???? ??????????????? ??????????? ? ??? ??????? ?? ??? ????? ?????? ???? ?? ??????? ????-?? ????? ??????? (????? ?????? ??????? ????? SNMP - ??????? ????? :) ????? ????????? - ????? ??????? ?? ???? ;-) ??? ???????? ?????? ???????? ?????? ????????? ??? ?????????? IP ???????, ??? ??????? ??? ??? IP ???????? ????? ??? Linux (kernel 2.2.X!) ??? ????? gateway. ???????? ????????? ?? ?????????????? ????? ?? PPP. ????? ??????? ?? ?????????? ipchains. ???? ???? ?? ??????? ??? ???. ????? ?????? ?????: ?????? ?????????????? ??????? ?? output ??? ??????-?? IP (???????? ?? ??, ??? ??? ? ??? ????????? ? ??? ????? ???????. ??? ????!), ????????: # ipchains -A output -d AAA.BBB.CCC.DDD -j ACCEPT ?????????: # ipchains -L Chain input (policy ACCEPT): Chain forward (policy ACCEPT): Chain output (policy ACCEPT): target prot opt source destination ports ACCEPT all ------ anywhere AAA.BBB.CCC.DDD n/a ??????? ???????????. ???????? ????????? ???????. ????? ??? ????? ??????? ???: # ipchains -L -v Chain input (policy ACCEPT: 4195746 packets, 1765818402 bytes): Chain forward (policy ACCEPT: 142999 packets, 29941516 bytes): Chain output (policy ACCEPT: 4182597 packets, 1309541595 bytes): pkts bytes target prot opt tosa tosx ifname mark outsize source destination ports 4 308 ACCEPT all ------ 0xFF 0x00 any anywhere AAA.BBB.CCC.DDD n/a ?? ??????? ????? ??? ??????? ???? 308 ?????? (???????? ? ??? ???????? ????????). ?? ?????????? ??????? ?? ?????? ???????? ????? ????????????? ?????????? ?? ??????. ?? ???? ????-?? ?????? ? ??????? ??????? - ????? ?? ????? ??? ?? ??????????? ??????? (?? ????? ????????? ??? ? ??-????? ? ?????????). ??? ???????? ? ?????? ??? (?????? ??? ?????? ????? ?? ?????? ? ?????? :) ?????????? ??????? ?? Perl ?????, ??????? ?????? ?????? ? ???. (????? ??? ???????? - ?????? - ????? ????????? ? ???????? ???????? ???-?????? ???????????????. ? ???? ??? :) ??? ??? ????????????????? ????? ??? ????? ??? ?????????? ?? Perl. ??????? ??????? /var/spool/IPcount ?????? ????? ????. ?????????: # ipcount.pl ??? ?????? ??????????, ??????? ?????? ? ??? ? ??????? ????????. ??? ???? ?????????? ????? IP back-??????????? ? ??? ????? (????? ?? ????? ????????, ??? ??????? ??????? gethostbyaddr ? ??????? ?? ??????). ????? ??? ???????? ???? ????????? ?? ???? ????????? ? /etc/crontab: */10 * * * * /var/spool/IPCounter/ipcount.pl ? ?????????? ????? ??? ? ??????????? ? ??????? ????????. ??? ?????????? ?????????? ???????? ??? ???? ???????, ?? ???????? ??? ?????????? ? ???????? ???? ?? ???????? :) ??? ?? ??????? ?????? ?? ??? ?? ???? ?????? ??????????. ???????? showipcount.pl ???? ? cgi-bin, ?????????? ?? ??????? ??????? ??????????? IP, ? ?? ???? ????, ??????????? index.html ? ??????? ? ???????? ?????????? ~/public_html, ????????? ??? ????? cgi-??????? (???? ????? SSI, ???? ????? passthru ? PHP) ? ??? ????. ------------------- ?? ????? ?????????? ?? Perl. ---------------------------- #!/usr/bin/perl # # pharao@uatel.net (c) 1999 # dbmopen %h, "/var/spool/IPCounter/ipcount", 0600; foreach (sort keys %h) { print "$_t"; $size = $h{$_}; $size =~ s/(d)(d{3})$/$1'$2/; while( $size =~ s/(d)(d{3})'/$1'$2'/ ) {}; print "$sizen"; } dbmclose %h;