From: Alexey Borovskoy <alexey_borovskoy@mail.ru>
To: community@altlinux.ru
Subject: Re: [Comm] iptables & ntp
Date: Tue, 27 Jul 2004 22:46:47 +1300
Message-ID: <200407272247.01069.alexey_borovskoy@mail.ru> (raw)
In-Reply-To: <4105E571.3000404@soc.adm.yar.ru>
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* Вторник 27 Июль 2004 18:17 Дворников Михаил
<m_dvor@soc.adm.yar.ru>
> Здравствуйте! Пытаюсь запустить ntpdate со второго сервера.
> Шлюз имеет: ppp0-реальный ip, eth0-10.15.100.1.
> На шлюзе NAT или маскарадинг не запущен. С него ntpdate
> выполняется. Работает прозрачный прокси.
>
> Второй сервер: eth0-10.15.100.61, eth1, eth2.
> Traceroute zenon.net c этого сервера доходит только до
> прокси провайдера.
> На шлюзе делаю:
> # iptables -t nat -A PREROUTING --dst $real_ip -p tcp --dport
> 123 \ -j DNAT --to-destination 10.15.100.61
> # iptables -t nat -A PREROUTING --dst $real_ip -p udp --dport
> 123 \ -j DNAT --to-destination 10.15.100.61
Он будет NATить только пакеты, предназначенные для $real_ip.
Я бы сделал так:
# iptables -t nat -A PREROUTING --o $external_if -p tcp \
--dport 123 -j DNAT --to-destination 10.15.100.61
# iptables -t nat -A PREROUTING --o $external_if -p udp \
--dport 123 \ -j DNAT --to-destination 10.15.100.61
--
Алексей.
GPG key fingerprint
949B BC0E 2C44 7528 4F63 2753 E37A 9E3F 11F3 BDE1
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next prev parent reply other threads:[~2004-07-27 9:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-27 5:17 Дворников Михаил
2004-07-27 5:32 ` Mike Lykov
2004-07-27 5:42 ` [Comm] AverTV 305/ 307 на ядрах 2 .6 Anthony
2004-07-27 6:03 ` [Comm] Кто прожжёный гуру по вёрстке DVD ? Anthony
2004-07-27 6:12 ` [Comm] AverTV 305/ 307 на ядрах 2 .6 Andrey Rahmatullin
2004-07-27 6:14 ` [Comm] iptables & ntp Дворников Михаил
2004-07-27 6:26 ` Mike Lykov
2004-07-27 7:49 ` Dmitry Belyayev
2004-07-27 9:46 ` Alexey Borovskoy [this message]
2004-07-28 3:42 ` Mike Lykov
2004-07-28 4:16 ` harlan
2004-07-28 4:31 ` harlan
2004-07-28 4:28 ` Alexey Borovskoy
2004-07-28 4:53 ` Дворников Михаил
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