Portál AbcLinuxu, 7. května 2025 20:05
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[root@Gogo ~]# ping 82.208.39.113 PING 82.208.39.113 (82.208.39.113) 56(84) bytes of data. 64 bytes from 82.208.39.113: icmp_seq=1 ttl=56 time=25.2 ms 64 bytes from 82.208.39.113: icmp_seq=2 ttl=56 time=68.0 ms 64 bytes from 82.208.39.113: icmp_seq=3 ttl=56 time=21.5 ms 64 bytes from 82.208.39.113: icmp_seq=4 ttl=56 time=27.7 ms 64 bytes from 82.208.39.113: icmp_seq=5 ttl=56 time=23.8 ms 64 bytes from 82.208.39.113: icmp_seq=6 ttl=56 time=40.7 ms 64 bytes from 82.208.39.113: icmp_seq=7 ttl=56 time=23.4 ms 64 bytes from 82.208.39.113: icmp_seq=8 ttl=56 time=24.7 ms 64 bytes from 82.208.39.113: icmp_seq=9 ttl=56 time=22.7 ms --- 82.208.39.113 ping statistics --- 9 packets transmitted, 9 received, 0% packet loss, time 8026ms rtt min/avg/max/mdev = 21.540/30.903/68.032/14.197 ms [root@Gogo ~]# ping www.banan.cz PING www.banan.cz (82.208.39.115) 56(84) bytes of data. 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=1 ttl=56 time=70.0 ms 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=2 ttl=56 time=28.8 ms 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=3 ttl=56 time=31.8 ms 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=4 ttl=56 time=55.0 ms 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=5 ttl=56 time=22.4 ms 64 bytes from www.banan.cz (82.208.39.115): icmp_seq=6 ttl=56 time=30.2 ms --- www.banan.cz ping statistics --- 6 packets transmitted, 6 received, 0% packet loss, time 5012ms rtt min/avg/max/mdev = 22.410/39.746/70.017/16.944 ms [root@Gogo ~]# host www.banan.cz www.banan.cz has address 82.208.39.115 ;; Warning: Message parser reports malformed message packet. ;; connection timed out; no servers could be reached [root@Gogo ~]# host 82.208.39.113 113.39.208.82.in-addr.arpa is an alias for 113.112-127.39.208.82.arpa.banan.cz. 113.112-127.39.208.82.arpa.banan.cz domain name pointer b01.banan.cz.
[gogo@Gogo /]$ cd etc [gogo@Gogo etc]$ cat resolv.conf # generated by NetworkManager, do not edit! nameserver 10.0.0.138 [gogo@Gogo etc]$ host www.seznam.cz 10.0.0.138 Using domain server: Name: 10.0.0.138 Address: 10.0.0.138#53 Aliases: www.seznam.cz has address 194.228.32.3 ;; Warning: Message parser reports malformed message packet. Using domain server: Name: 10.0.0.138 Address: 10.0.0.138#53 Aliases: ;; connection timed out; no servers could be reached [gogo@Gogo etc]$ host www.cdr.cz 10.0.0.138 Using domain server: Name: 10.0.0.138 Address: 10.0.0.138#53 Aliases: www.cdr.cz has address 88.86.103.227 ;; Warning: Message parser reports malformed message packet. Using domain server: Name: 10.0.0.138 Address: 10.0.0.138#53 Aliases: ;; connection timed out; no servers could be reached [gogo@Gogo etc]$
[root@localhost Software]# /sbin/ip route 10.0.0.0/16 dev eth0 proto kernel scope link src 10.0.0.4 default via 10.0.0.138 dev eth0 [root@localhost Software]# traceroute www.rychlost.cz traceroute to www.rychlost.cz (1.0.0.0), 30 hops max, 40 byte packets 1 * * * 2 26.189.broadband3.iol.cz (85.70.189.26) 14.878 ms 14.506 ms 14.180 ms 3 80.188.61.57 (80.188.61.57) 14.851 ms 14.546 ms 14.842 ms 4 80.188.33.241 (80.188.33.241) 19.652 ms 20.172 ms 19.800 ms [root@localhost Software]# /sbin/lspci 00:00.0 Host bridge: Intel Corporation 82875P/E7210 Memory Controller Hub (rev 0 00:01.0 PCI bridge: Intel Corporation 82875P Processor to AGP Controller (rev 02 00:03.0 PCI bridge: Intel Corporation 82875P/E7210 Processor to PCI to CSA Bridg 00:1d.0 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Contr 00:1d.1 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Contr 00:1d.2 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Contr 00:1d.3 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB UHCI Contr 00:1d.7 USB Controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) USB2 EHCI Cont 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev c2) 00:1f.0 ISA bridge: Intel Corporation 82801EB/ER (ICH5/ICH5R) LPC Interface Brid 00:1f.1 IDE interface: Intel Corporation 82801EB/ER (ICH5/ICH5R) IDE Controller 00:1f.3 SMBus: Intel Corporation 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 0 00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) A 01:00.0 VGA compatible controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] 01:00.1 Display controller: ATI Technologies Inc RV280 [Radeon 9200 PRO] (Second 02:01.0 Ethernet controller: Intel Corporation 82547EI Gigabit Ethernet Controll 03:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host Controller ( [root@localhost Software]# /sbin/ifconfig eth0 Link encap:Ethernet HWadr 00:0C:6E:AE:AD:B4 inet adr:10.0.0.4 Všesměr:10.0.255.255 Maska:255.255.0.0 inet6-adr: fe80::20c:6eff:feae:adb4/64 Rozsah:Linka AKTIVOVÁNO VŠESMĚROVÉ_VYSÍLÁNÍ BĚŽÍ MULTICAST MTU:1500 Metrika:1 RX packets:261453 errors:0 dropped:0 overruns:0 frame:0 TX packets:194429 errors:0 dropped:0 overruns:0 carrier:0 kolizí:0 délka odchozí fronty:1000 RX bytes:225604126 (215.1 MiB) TX bytes:20856130 (19.8 MiB) Vstupně/Výstupní port:0xcf80 Paměť:fe9e0000-fea00000 lo Link encap:Místní smyčka inet adr:127.0.0.1 Maska:255.0.0.0 inet6-adr: ::1/128 Rozsah:Počítač AKTIVOVÁNO SMYČKA BĚŽÍ MTU:16436 Metrika:1 RX packets:2704 errors:0 dropped:0 overruns:0 frame:0 TX packets:2704 errors:0 dropped:0 overruns:0 carrier:0 kolizí:0 délka odchozí fronty:0 RX bytes:3874508 (3.6 MiB) TX bytes:3874508 (3.6 MiB) [root@localhost Software]# ping www.cdr.cz PING www.cdr.cz (88.86.103.227) 56(84) bytes of data. 64 bytes from www.cdr.cz (88.86.103.227): icmp_seq=1 ttl=58 time=21.0 ms 64 bytes from www.cdr.cz (88.86.103.227): icmp_seq=2 ttl=58 time=20.7 ms 64 bytes from www.cdr.cz (88.86.103.227): icmp_seq=3 ttl=58 time=20.5 ms --- www.cdr.cz ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2004ms rtt min/avg/max/mdev = 20.562/20.787/21.027/0.252 ms
http://goggi.php5.cz/tcpdump.txt
13:52:24.984626 IP 10.0.0.4.35579 > www.google.cz.http: S 4156121976:4156121976(0) win 5840 < mss 1460,sackOK, timestamp 525463 0,nop,wscale 2>Firefox:
13:54:01.013999 IP 10.0.0.4.54843 > 1.0.0.0.http: S 4274481805:4274481805(0) win 5840 < mss 1460,sackOK, timestamp 549469 0,nop,wscale 2>
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