Thread View: comp.os.linux.networking
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2 total messages
Started by Monte Phillips
Fri, 02 Jul 1999 00:00
Win-2-Linux-2-Net problem (much detail furnished)
Author: Monte Phillips
Date: Fri, 02 Jul 1999 00:00
Date: Fri, 02 Jul 1999 00:00
202 lines
8683 bytes
8683 bytes
The Network:
Win98 >--eth0 --> LinuxBox -> modem -> ISP
192.168.0.2 192.168.0.1 nameservers: 204.52.135.1
GW 192.168.0.1 RH6.0 2.2.9 from ISP 204.52.135.2
OBJECT: connect to ISP from Win98 thru LinuxBox
Whats installed:
All necessary kernel options are installed (I believe)
Samba 2.0.4b as mentioned 100% functional both directions.
No probs with samba at all.
ipv4 is activated on bootup from kernel
Ipmasqadm is functional
IPChains is functional
Squid is functional ( though because of its memory hogging,
I do not wish to use it)
What works at present: Samba - all functions and services
ppp0 from linuxBox I can use lynx and netscape to internet
What I have done so far:
Read and even printed out, Net-3, Firewall, IPChains, PPP HOWTO's
Tried almost all examples given (that seemed to apply to my minimal
net)
The test that seemed to me most apt to work(but didn't) was:
# ppp-up ok
# ipchains -P DENY
# ipchains -A forward -s ppp0 -j MASQ
# ipmasqadm portfw -a -P tcp -L xxx.xxx.xxx.x 80 -R yyy.yyy.yyy.y 80
# ipmasqadm portfw -a -P tcp -L xxx.xxx.xxx.x 1464 -R yyy.yyy.yyy.y
1464
# ipmasqadm portfw -a -P tcp -L xxx.xxx.xxx.x 1604 -R yyy.yyy.yyy.y
1604
(tried this with the last two lines and without them, same results.
I am assuming they have something to do with load equalizing)
I have substituted all combinations of IP's for the xxx's and yyy's
only ones on my net of course<G>, AND the nameserver IP's as well,
they are the ones also used to access the ISP's webpage.
FOLLOWING is data from files and outputs of commands:
-hosts
127.0.0.1 localhost localhost.localdomain
192.168.0.1 LinuxBox.cmx LinuxBox LinuxBox.cxm
192.168.0.2 Win98
-lmhosts
localhost LinuxBox
Win98 Win98
-resolv.conf
search hal-pc.org LinuxBox.cxm
nameserver 204.52.135.1
nameserver 204.52.135.2
nameserver 192.168.0.1
*Note all of the below was obtained while ppp0 was active and
connected to ISP
-output from ppp-up
Serial connection established.
Using interface ppp0
Connect: ppp0 <--> /dev/modem
local IP address 206.180.129.186
remote IP address 204.52.135.145
hal-pc.org: ppp0 206.180.129.186 to 204.52.135.145
Up since 02:44PM Fri Jul 02, 1999
-Kernel Interface table
Iface MTU Met RX-OK RX-ERR RX-DRP RX-OVR TX-OK TX-ERR TX-DRP
TX-OVR Flg
eth0 1500 0 1095 0 0 0 7068 0 0
0 BRU
lo 3924 0 1856 0 0 0 1856 0 0
0 LRU
ppp0 1524 0 30 0 0 0 46 0 0
0 OPRU
-ifconfig
eth0 Link encap:Ethernet HWaddr 00:20:AF:68:40:3F
inet addr:192.168.0.1 Bcast:192.168.0.255
Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1073 errors:0 dropped:0 overruns:0 frame:0
TX packets:7062 errors:0 dropped:0 overruns:0 carrier:0
collisions:2 txqueuelen:100
Interrupt:11 Base address:0x240
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:3924 Metric:1
RX packets:1816 errors:0 dropped:0 overruns:0 frame:0
TX packets:1816 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
ppp0 Link encap:Point-to-Point Protocol
inet addr:206.180.129.186 P-t-P:204.52.135.145
Mask:255.255.255.255
UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1524 Metric:1
RX packets:6 errors:0 dropped:0 overruns:0 frame:0
TX packets:6 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:10
-netstat
Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address Foreign Address
State
tcp 0 0 LinuxBox.cm:netbios-ssn Win98:1340
ESTABLISHED
Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags Type State I-Node Path
unix 1 [ ] STREAM CONNECTED 2007 @000001ee
unix 1 [ ] STREAM CONNECTED 904 @00000096
unix 1 [ ] STREAM CONNECTED 583 @00000047
unix 0 [ ] STREAM CONNECTED 116 @00000011
unix 1 [ ] STREAM CONNECTED 1351 @00000120
unix 1 [ ] STREAM CONNECTED 454 @00000023
unix 0 [ ] DGRAM 1262
/var/run/news/control
unix 1 [ ] STREAM CONNECTED 1241 @00000103
unix 1 [ ] STREAM CONNECTED 1244 @00000104
unix 1 [ ] STREAM CONNECTED 2008 /dev/log
unix 1 [ ] STREAM CONNECTED 1352 /dev/log
unix 0 [ ] DGRAM 1264
unix 1 [ ] STREAM CONNECTED 1245 /dev/log
unix 1 [ ] STREAM CONNECTED 1242 /dev/log
unix 1 [ ] STREAM CONNECTED 905 /dev/log
unix 1 [ ] STREAM CONNECTED 584 /dev/log
unix 1 [ ] STREAM CONNECTED 455 /dev/log
(****some of the following lines are wrapped, dam cheap editor, sorry)
-route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface
204.52.135.145 * 255.255.255.255 UH 0 0
0 ppp0
192.168.0.1 * 255.255.255.255 UH 0 0
0 eth0
192.168.0.0 192.168.0.1 255.255.255.0 UG 0 0
0 eth0
192.168.0.0 * 255.255.255.0 U 0 0
0 eth0
127.0.0.0 * 255.0.0.0 U 0 0
0 lo
default 204.52.135.145 0.0.0.0 UG 0 0
0 ppp0
default 192.168.0.1 0.0.0.0 UG 0 0
0 eth0
-route -nNvee
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref
Use Iface MSS Window irtt
204.52.135.145 0.0.0.0 255.255.255.255 UH 0 0
0 ppp0 0 0 0
192.168.0.1 0.0.0.0 255.255.255.255 UH 0 0
0 eth0 0 0 0
192.168.0.0 192.168.0.1 255.255.255.0 UG 0 0
0 eth0 0 0 0
192.168.0.0 0.0.0.0 255.255.255.0 U 0 0
0 eth0 0 0 0
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0
0 lo 0 0 0
0.0.0.0 204.52.135.145 0.0.0.0 UG 0 0
0 ppp0 0 0 0
0.0.0.0 192.168.0.1 0.0.0.0 UG 0 0
0 eth0 0 0 0
-traceroute
1 206.180.129.186.dial-ip.hal-pc.org (206.180.129.186) 1.044 ms
0.613 ms 0.526 ms
*Note these ping addresses are those obtained from the ifconfig query
*Any pings to addresses other than those shown yielded no returns
-ping 1
PING 206.180.129.186 (206.180.129.186): 56 data bytes
64 bytes from 206.180.129.186: icmp_seq=0 ttl=255 time=0.9 ms
64 bytes from 206.180.129.186: icmp_seq=1 ttl=255 time=0.5 ms
64 bytes from 206.180.129.186: icmp_seq=2 ttl=255 time=0.5 ms
--- 206.180.129.186 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0.5/0.6/0.9 ms
-ping 2
PING 204.52.135.145 (204.52.135.145): 56 data bytes
--- 204.52.135.145 ping statistics ---
9 packets transmitted, 0 packets received, 100% packet loss
Well that's the whole barrel, whats wrong?
Answers in ng are encouraged :) but I won't deny an email
response <G> TIA Monte montep@hal-pc.org
Re: Win-2-Linux-2-Net problem (much detail furnished)
Author: Regit Young
Date: Sat, 03 Jul 1999 00:00
Date: Sat, 03 Jul 1999 00:00
39 lines
2353 bytes
2353 bytes
Try this: ipchains -P forward DENY ipchains -A forward -s 192.168.0.0/24 -d 0.0.0.0/0 -j MASQ > # ipchains -P DENY > # ipchains -A forward -s ppp0 -j MASQ And try not to set a defaultroute for LinuxBox prior to ppp connection ... not sure how you end up with this routing table ... > -route > Kernel IP routing table > Destination Gateway Genmask Flags Metric Ref > Use Iface > 204.52.135.145 * 255.255.255.255 UH 0 0 > 0 ppp0 > 192.168.0.1 * 255.255.255.255 UH 0 0 > 0 eth0 > 192.168.0.0 192.168.0.1 255.255.255.0 UG 0 0 > 0 eth0 > 192.168.0.0 * 255.255.255.0 U 0 0 > 0 eth0 > 127.0.0.0 * 255.0.0.0 U 0 0 > 0 lo > default 204.52.135.145 0.0.0.0 UG 0 0 > 0 ppp0 > default 192.168.0.1 0.0.0.0 UG 0 0 > 0 eth0 > How about some output/setting from Win98 (ie. dns setting, gateway ...), try a trace from the Win98 instead ... -- ~ cry for help from a overworked box ~ I've been working for 19 weeks 3 days 12 hours 42 minutes non-stop. Please ask my stupid owner to reboot me. He can be reached at: regit@penguinpowered.com
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