[ jocar @ 21.02.2004. 21:34 ] @
Imam umrežena dva računara, instalirane i podešene (?) iptables i maskiranje IP, na internet se izlazi sa jednog računara, a drugi ide preko njega,ali se javlja sledeći problem. Naime, posle nekog vremena, konekcija nekontrolisano pada, a PPP-logfile se završava ovako:
Citat:

Feb 19 12:10:59 jovir pppd[3183]: Hangup (SIGHUP)
Feb 19 12:10:59 jovir pppd[3183]: Modem hangup
Feb 19 12:10:59 jovir pppd[3183]: Script /etc/ppp/ip-down started (pid 3227)
Feb 19 12:10:59 jovir pppd[3183]: Connection terminated.
Feb 19 12:10:59 jovir pppd[3183]: Connect time 9.0 minutes.
Feb 19 12:10:59 jovir pppd[3183]: Sent 102801 bytes, received 1016725 bytes.
Feb 19 12:10:59 jovir pppd[3183]: Waiting for 1 child processes...
Feb 19 12:10:59 jovir pppd[3183]: script /etc/ppp/ip-down, pid 3227
Feb 19 12:11:00 jovir pppd[3183]: Script /etc/ppp/ip-down finished (pid 3227), status = 0x0
Feb 19 12:11:00 jovir pppd[3183]: Exit.

Pretpostavljam da je problem u fajlu /etc/ppp/ip-down:
Citat:

#!/bin/bash
# This file should not be modified -- make local changes to
# /etc/ppp/ip-down.local instead

PATH=/sbin:/usr/sbin:/bin:/usr/bin
export PATH

LOGDEVICE=$6
REALDEVICE=$1

export PATH=/sbin:/usr/sbin:/bin:/usr/bin

cp -f /etc/resolv.conf /etc/resolv.conf.tmp
fgrep -v "# ppp temp entry" /etc/resolv.conf.tmp > /etc/resolv.conf
chmod 0644 /etc/resolv.conf
rm -f /etc/resolv.conf.tmp

[ -x /etc/ppp/ip-down.local ] && /etc/ppp/ip-down.local "$@"

# These variables are for the use of the scripts run by run-parts
PPP_IFACE="$1"
PPP_TTY="$2"
PPP_SPEED="$3"
PPP_LOCAL="$4"
PPP_REMOTE="$5"
PPP_IPPARAM="$6"
export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM

if [ -d /etc/ppp/ip-down.d/ -a -x /usr/bin/run-parts ]; then
/usr/bin/run-parts /etc/ppp/ip-down.d/
fi

/etc/sysconfig/network-scripts/ifdown-post ifcfg-${LOGDEVICE}

exit 0

Inače, da bih uopšte ostvario bilo kakav protok sa/na net, pre konektovanja pokrećem sledeću skriptu:
Citat:

route del default
route add default ppp0
/sbin/iptables --flush
/sbin/iptables --table nat --flush
/sbin/iptables --delete-chain
/sbin/iptables --table nat --delete-chain

/sbin/iptables --table nat --append POSTROUTING --out-interface ppp0 -s 192.168.0.0/24 -j MASQUERADE
/sbin/iptables --append FORWARD --in-interface eth0 -j ACCEPT

echo 1 > /proc/sys/net/ipv4/ip_forward
echo 30 > /proc/sys/net/ipv4/tcp_fin_timeout

Prva dva reda zbog buga u Mandrake9.2.
Sve je isto nezavisno od provajdera, dešava se isto i na ptt i na veratu..
Ima li neko ideju šta dalje?
[ Neelix @ 12.04.2004. 11:45 ] @
koju ip adresu koristi tvoj ruter daj mi ip adrese eth0 i eth1 i koji je od njih INPUT a koji OUTPUT pa qu ti dati scriptu sa kojom ja radim i nemam problema