[linux] Debian zmeny v jadre

Juraj Remenec remenec na gmail.com
Středa Červenec 23 11:17:42 CEST 2014


Vďaka za tip ale zmeny nepomohli. rp_filter bol vypnutý. Ten prvý tcp...
som vypol ale bez úspechu.


Chcem iba povedať, že je to veľmi divné. Slovenské sajty chodia väčšinou
dobre. Aj niektoré zahraničné. Ale niektoré ďalšie ku podivu nie aj keď
pingovať idú...
Proste len Čaká sa....  S 2.6 jadrom ide všetko OK. Možno bude chyba v
nejakom driveri ku sieť. kartám. Mám v stroji 2 realteky a 2 inteli.

Požadované výpisy:
root ~ # ifconfig;route -n; iptables -t nat -L -n; iptables -L -n;
>~/iptables.txt
eth0      Link encap:Ethernet  HWaddr 68:05:ca:00:75:48
          inet addr:194.160.126.98  Bcast:194.160.126.111
Mask:255.255.255.240
          inet6 addr: fe80::6a05:caff:fe00:7548/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:17055 errors:0 dropped:0 overruns:0 frame:0
          TX packets:11985 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:16491343 (15.7 MiB)  TX bytes:2444911 (2.3 MiB)
          Interrupt:18 Memory:fb2c0000-fb2e0000

eth1      Link encap:Ethernet  HWaddr 80:1f:02:2f:3c:e2
          inet6 addr: fe80::821f:2ff:fe2f:3ce2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:325 errors:0 dropped:1 overruns:0 frame:0
          TX packets:194 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:25882 (25.2 KiB)  TX bytes:31572 (30.8 KiB)
          Interrupt:41 Base address:0x2000

eth3      Link encap:Ethernet  HWaddr 00:1b:21:d2:a4:a2
          inet addr:192.168.3.1  Bcast:192.168.3.255  Mask:255.255.255.0
          inet6 addr: fe80::21b:21ff:fed2:a4a2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12010 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16780 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2337538 (2.2 MiB)  TX bytes:16554598 (15.7 MiB)
          Interrupt:16 Memory:fb4c0000-fb4e0000

eth3:0    Link encap:Ethernet  HWaddr 00:1b:21:d2:a4:a2
          inet addr:192.168.4.1  Bcast:192.168.4.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Interrupt:16 Memory:fb4c0000-fb4e0000

eth4      Link encap:Ethernet  HWaddr 8c:89:a5:16:b3:32
          inet addr:192.168.177.55  Bcast:192.168.177.255
Mask:255.255.255.0
          inet6 addr: fe80::8e89:a5ff:fe16:b332/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:34 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:0 (0.0 B)  TX bytes:6774 (6.6 KiB)
          Interrupt:42 Base address:0x6000

eth1.10   Link encap:Ethernet  HWaddr 80:1f:02:2f:3c:e2
          inet addr:192.168.1.1  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::821f:2ff:fe2f:3ce2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:299 errors:0 dropped:2 overruns:0 frame:0
          TX packets:137 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:18352 (17.9 KiB)  TX bytes:20913 (20.4 KiB)

eth1.20   Link encap:Ethernet  HWaddr 80:1f:02:2f:3c:e2
          inet addr:192.168.2.1  Bcast:192.168.2.255  Mask:255.255.255.0
          inet6 addr: fe80::821f:2ff:fe2f:3ce2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:18 errors:0 dropped:0 overruns:0 frame:0
          TX packets:37 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:1444 (1.4 KiB)  TX bytes:7066 (6.9 KiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1611 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1611 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:185915 (181.5 KiB)  TX bytes:185915 (181.5 KiB)

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use
Iface
0.0.0.0         194.160.126.97  0.0.0.0         UG    0      0        0 eth0
172.30.126.0    192.168.177.1   255.255.255.0   UG    0      0        0 eth4
192.168.0.31    192.168.177.1   255.255.255.255 UGH   0      0        0 eth4
192.168.1.0     0.0.0.0         255.255.255.0   U     0      0        0
eth1.10
192.168.1.121   192.168.177.1   255.255.255.255 UGH   0      0        0 eth4
192.168.2.0     0.0.0.0         255.255.255.0   U     0      0        0
eth1.20
192.168.3.0     0.0.0.0         255.255.255.0   U     0      0        0 eth3
192.168.4.0     0.0.0.0         255.255.255.0   U     0      0        0 eth3
192.168.29.4    192.168.177.1   255.255.255.255 UGH   0      0        0 eth4
192.168.29.10   192.168.177.1   255.255.255.255 UGH   0      0        0 eth4
192.168.29.12   192.168.177.1   255.255.255.255 UGH   0      0        0 eth4
192.168.177.0   0.0.0.0         255.255.255.0   U     0      0        0 eth4
194.160.126.96  0.0.0.0         255.255.255.240 U     0      0        0 eth0
Chain PREROUTING (policy ACCEPT)
target     prot opt source               destination

Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Chain POSTROUTING (policy ACCEPT)
target     prot opt source               destination
MASQUERADE  all  --  0.0.0.0/0            0.0.0.0/0
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0            state
RELATED,ESTABLISHED
ACCEPT     all  --  0.0.0.0/0            0.0.0.0/0

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination


Dňa 23. júla 2014 10:44, riki <phobie at axfr.org> napísal(-a):

> Ahoj,
>
> skus vypnut net.ipv4.tcp_ecn, myslim ze v 3.x je zapnuta defaultne. Skus
> rovnako vypnut rp_filter.
>
> Ak nepomoze posli vystup z ifconfig;route -n; iptables -t nat -L
> -n;iptables -L -n;
>
> r.
>
> On 07/23/2014 08:56 AM, Juraj Remenec wrote:
> > Zdravim.
> > Prosim vas. Pisem sem, snad mi budete vediet narychlo poradit.
> > Ja som z toho uz nacisto zufaly.
> >
> > Som prilis vytazeny. Uz nejaky ten rok necitam ziadne changelogs k
> > updatom z Debianu a asi teraz na to doplacam.
> > Poslednym apt-get upgrade sa mi do servera dostal kernel 3.2.0.
> >
> > Vsetko funguje OK az na IPTABLES!!
> > Ide ma z toho URVAT. Lebo je to taka chyba, no neviem ako na nu priznam
> sa.
> > Na serveri pouzivam masquerade a forwarding z lokalnej siete
> > 192.168.1.0/24 <http://192.168.1.0/24> => do siete poskytovatela. Vsetko
> > fungovalo OK. Po poslednom upgrade som si vsimol, ze prestalo nacitavat
> > stranky ako www.facebook.com <http://www.facebook.com>. Alebo
> > www.cnn.com <http://www.cnn.com>.  Alebo aj "cuduj sa" www.sex.sk
> > <http://www.sex.sk> (presmeruvava na nejaky jasmine.com
> > <http://jasmine.com>).
> > Proste koliesko na prehliadaci sa toci, toci a toci a nic. Ani ziadna
> > info o timeoute ani nic.
> >
> >
> > Ak vsak na serveri spustim starsi kernel 2.6.x tak opat vsetko funguje
> > ako MA.
> > A tak by ma zaujimalo, ake zmeny nastali v IP forwardingu v kerneli
> > nastupom novej rady 3.x.
> >
> > Viete niekto nieco o tomto??
> > Budem vdacny za akykolvek tip.
> > J.
> >
> >
> > _______________________________________________
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> >
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