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Article #20265

Re: Masquerading Suse6.2 läuft nicht

#20265
From: Marcel Lanz
Date: Fri, 15 Oct 1999 00:00
170 lines
5208 bytes
probier mal das echo auf:
echo "1" > /proc/sys/net/ipv4/ip_forward
von einer root-console "von hand" zu machen?
ich hatte letzthin probleme ip_forward mit einem script im /proc zu
aktivieren.

	marcel

Andreas Petralia wrote:
> 
> hallo
> 
> ich versuche erfolglos masquarading zu aktivieren.
> Ich kann keine IP's und auch keine NAMEN im www anpingen.
> Hier meine Einstellungen wie ich sie unter Suse6.2 (2.2.10) gemacht
> habe:
> 
> => /etc/rc.config: <=
> [...]
> IP_FORWARD=yes
> MSQ_START="yes"
> MSQ_NETWORKS="192.168.0.0/255.255.255.0"
> MSQ_DEV="eth0"
> MSQ_MODULES="ip_masq_cuseeme ip_masq_ftp ip_masq_irc"
> [...]
> 
> => /sbin/init.d/boot: <=
> [...]
> if test -e /proc/sys/net/ipv4/ip_forward -a -n "$IP_FORWARD" ; then
>     ECHO_RETURN=$rc_done
>     case $IP_FORWARD in
>       yes)
>         echo "1" > /proc/sys/net/ipv4/ip_forward ||
> ECHO_RETURN=$rc_failed
>       ;;
>       *)
>         echo "0" > /proc/sys/net/ipv4/ip_forward ||
> ECHO_RETURN=$rc_failed
>       ;;
>     esac
>     echo -e "$ECHO_RETURN"
> fi
> [...]
> 
> => /sbin/init.d/masquerade <=
> [...]
> if [ -f /proc/net/ip_masquerade ]; then
>   case "$1" in
>       start)
>           echo "Setting up ${VERSION} on device ${MSQ_DEV}"
> 
>           for i in ${MSQ_NETWORKS}; do
>             ${IPCHAINS} -A forward -i ${MSQ_DEV} -p all -s $i -d 0/0 -j
> MASQ
>           done
> 
>           for i in ${MSQ_MODULES}; do
>             ${INSMOD} $i
>           done
>           echo -e "$return"
>           ;;
> 
>       stop)
>           [... weggelassen ..]
>   esac
> fi
> [...]
> 
> => Der Kernel: /usr/src/linux/.config <=
> [...]
> #
> # Networking options
> #
> CONFIG_PACKET=y
> CONFIG_NETLINK=y
> CONFIG_RTNETLINK=y
> CONFIG_NETLINK_DEV=y
> CONFIG_FIREWALL=y
> CONFIG_FILTER=y
> CONFIG_UNIX=y
> CONFIG_INET=y
> CONFIG_IP_MULTICAST=y
> CONFIG_IP_ADVANCED_ROUTER=y
> CONFIG_RTNETLINK=y
> CONFIG_NETLINK=y
> CONFIG_IP_MULTIPLE_TABLES=y
> CONFIG_IP_ROUTE_MULTIPATH=y
> CONFIG_IP_ROUTE_TOS=y
> CONFIG_IP_ROUTE_VERBOSE=y
> # CONFIG_IP_ROUTE_LARGE_TABLES is not set
> CONFIG_IP_ROUTE_NAT=y
> # CONFIG_IP_PNP is not set
> CONFIG_IP_FIREWALL=y
> CONFIG_IP_FIREWALL_NETLINK=y
> CONFIG_NETLINK_DEV=y
> CONFIG_IP_ALWAYS_DEFRAG=y
> CONFIG_IP_ROUTE_FWMARK=y
> CONFIG_IP_TRANSPARENT_PROXY=y
> CONFIG_IP_MASQUERADE=y
> CONFIG_IP_MASQUERADE_ICMP=y
> CONFIG_IP_MASQUERADE_MOD=y
> CONFIG_IP_MASQUERADE_IPAUTOFW=m
> CONFIG_IP_MASQUERADE_IPPORTFW=m
> CONFIG_IP_MASQUERADE_MFW=m
> # CONFIG_IP_ROUTER is not set
> CONFIG_NET_IPIP=m
> CONFIG_NET_IPGRE=m
> # CONFIG_NET_IPGRE_BROADCAST is not set
> # CONFIG_IP_MROUTE is not set
> CONFIG_IP_ALIAS=y
> # CONFIG_ARPD is not set
> # CONFIG_SYN_COOKIES is not set
> # CONFIG_INET_RARP is not set
> CONFIG_SKB_LARGE=y
> CONFIG_IPV6=m
> # CONFIG_IPV6_EUI64 is not set
> CONFIG_IPX=m
> # CONFIG_IPX_INTERN is not set
> CONFIG_SPX=m
> CONFIG_ATALK=m
> CONFIG_X25=m
> CONFIG_LAPB=m
> # CONFIG_BRIDGE is not set
> # CONFIG_LLC is not set
> CONFIG_ECONET=m
> # CONFIG_ECONET_AUNUDP is not set
> # CONFIG_ECONET_NATIVE is not set
> CONFIG_WAN_ROUTER=m
> # CONFIG_NET_FASTROUTE is not set
> # CONFIG_NET_HW_FLOWCONTROL is not set
> # CONFIG_CPU_IS_SLOW is not set
> [...]
> 
> Nach dem Aufstarten deutet nichts auf einen Fehler auch keine Meldungen
> in /var/log/message.
> 
> => ipchains -F <=
> root@sonne:/ > ipchains -L
> Chain input (policy ACCEPT):
> Chain forward (policy ACCEPT):
> target   prot opt     source          destination  ports
> MASQ     all  ------  192.168.0.0/24  anywhere     n/a
> Chain output (policy ACCEPT):
> 
> => cat <=
> root@sonne:/ > cat /proc/sys/net/ipv4/ip_forward
> 1
> 
> Meine beiden Win95 Rechner haben:
> 192.168.0.10/255.255.255.0 und als Gateway 192.168.0.1
> 192.168.0.11/255.255.255.0 und als Gateway 192.168.0.1
> 
> Telnet, Ping, Nameserver(bind8) funktioniert alles local.
> 
> Kann mir ev. jemand sagen, was ich falsch mache?
> Wie kann ich den Fehler lokalisieren?
> 
> danke
> Andreas
> --
>    _____ ____
>   / __  / __ \   Andreas Petralia <apetrali@ee.ethz.ch>
>  / /_/ / ____/  http://www.stud.ee.ethz.ch/~apetrali
> /_/ /_/_/      Swiss Federal Institute of Technology Zurich
> PGP: 4A E6 07 AA 0E C2 27 19  9D 6B 0E 0A 35 7B AD 46  ICQ: 9010181

-- 
Marcel Lanz <marcel.lanz@ds9.ch>

PGP-Key fingerprint = 71 BE AC 43 04 53 F9 2D  4F B7 B1 47 E5 9B 91 72
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From: Marcel Lanz <marcel.lanz@ds9.ch>
Subject: Re: Masquerading Suse6.2 läuft nicht
Date: 1999/10/15
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