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#!/bin/sh
# Å×½ºÆ® ÇÏ´ø°Å¶ó ÀÌ»óÇÒ ¼öµµ.. ÇÏÁö¸¸ ¿øÇÏ´Â °ÍÀº
# ÀÌ·ç½Ç ¼ö ÀÖÁö ¾ÊÀ»±î ÇÕ´Ï´Ù¸¸..
#
network="192.168.101.0"
mask="255.255.255.0"
# ³»ºÎ ÆÐŶÀº ¸ðµÎ Åë°ú
ipfw add allow ip from ${network}:${mask} to ${network}:${mask}
# TCP ÆÐŶÀº Ä¿³Ø¼ÇÀÌ ¿·Á ÀÖÀ» ¶§¸¸.. ÀÌ·¸°Ô ÇØ¼
# ³»ºÎ¿¡¼ ³ª°¡´Â°Ç °¡´ÉÇÏ°í µé¾î¿À´Â °Ç ºÒ°¡´ÉÇϰÔ
# ÇØÁÙ ¼ö ÀÖ´Ù.
ipfw add allow tcp from any to any established
ipfw add allow ip from any to any frag
# ·ÎÄà ³×Æ®¿öÅ©¿¡¼ ³ª°¡´Â TCP Ä¿³Ø¼ÇÀ» ¿¾îÁØ´Ù.
ipfw add allow tcp from ${network}:${mask} to any setup
# Network Time Protocol
ipfw add allow udp from any 123 to ${network}:${mask}
ipfw add allow udp from ${network}:${mask} 123 to any
# DNS
ipfw add allow udp from any 53 to ${network}:${mask}
ipfw add allow udp from ${network}:${mask} 53 to any
-----Original Message-----
From: owner-questions@kr.FreeBSD.ORG [mailto:owner-questions@kr.FreeBSD.ORG]On Behalf Of È«¼®¿ì
Sent: Monday, December 04, 2000 3:45 PM
To: questions@kr.FreeBSD.ORG
Subject: [Áú¹®]¾ÈÀüÇÑ firewall ¸¸µé±â
ÀúÈñ°¡ ¿î¿µÇÏ´Â ¼¹ö´Â ³»ºÎÀÇ ¿©·¯ »ç¿ëÀÚ°¡ ¿ÜºÎÀÇ ÀÎÅͳÝÀ» »ç¿ëÇϱâ À§ÇÑ ÀÎÅÍ³Ý Á¢¼Ó¿ë ¼¹öÀÔ´Ï´Ù.
ÅÚ³ÝÀ̳ª ftp, mail, web µîÀÇ ¼ºñ½º ÀÏü°¡ ÇÊ¿ä¾ø°í ¿À·ÎÁö ³»ºÎ »ç¿ëÀÚ°¡ ¿ÜºÎ·Î ÀÎÅͳݸ¸ ¿¬°áÇÏ¸é µÇ´Âµ¥¿ä, ¾î¶² ¹æ½ÄÀ¸·Î firewallÀ» ¼³Á¤ÇؾßÇÒ±î¿ä?
¹°·Ð ³»ºÎ¿¡¼´Â °ü¸®ÀÚ°¡ Åڳݰú ftp´Â ½á¾ßÇÕ´Ï´Ù.
nat¿Í squid·Î ¾²·Á°í Çϴµ¥¿ä, nat°¡ ÇÏ´Â ÆÐŶ ÇÊÅ͸µµµ ¾ÈÀüÇÏÁø ¾Ê´Ù°í µé¾ú½À´Ï´Ù. ¿ÜºÎ °ø°ÝÀ̳ª Á¢¼ÓÀ» ÀÏü °ÅºÎÇÏ°í ³»ºÎ¿¡¼¸¸ ÀÎÅͳݿ¡ Á¢¼ÓÇÒ ¼ö ÀÖ´Â firewallÀ» ¸¸µé·Á¸é ¾î¶»°Ô ±ÔÄ¢À» ½á¾ßÇÒ±î¿ä?
TIS »çÀÇ fwtk À̶ó´Â ÇÁ·Ï½Ã ¼¹ö°¡ ÀÖ´øµ¥, À̰ÍÀ» ¾²´Â °ÍÀº ¾î¶³±î¿ä?
È«¼®¿ì
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