hai linux.or.id saya coba buat sekrip sederhana firewall dan saya letakkan di /usr/sbin/firewall nah ketika diketik $firewall errornya :bad interpreter: No such file or directory
berikut sekrip firewallnya: #!/bin/sh # contoh firewall newbies echo 1 > /proc/sys/net/ipv4/icmp_echo_ignore_broadcasts echo 0 > /proc/sys/net/ipv4/conf/all/accept_source_route echo 1 > /proc/sys/net/ipv4/tcp_syncookies echo 0 > /proc/sys/net/ipv4/conf/all/accept_redirects echo 0 > /proc/sys/net/ipv4/conf/all/send_redirects echo 1 > /proc/sys/net/ipv4/conf/all/rp_filter echo 1 > /proc/sys/net/ipv4/conf/all/log_martians # iptables aturan /sbin/iptables --flush /sbin/iptables -A INPUT -i lo -j ACCEPT /sbin/iptables -A OUTPUT -o lo -j ACCEPT /sbin/iptables --policy INPUT DROP /sbin/iptables --policy OUTPUT DROP /sbin/iptables --policy FORWARD DROP /sbin/iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT /sbin/iptables -A OUTPUT -m state --state NEW,ESTABLISHED,RELATED -j ACCEPT # test 1 ip untuk ssh /sbin/iptables -A INPUT -p tcp -s 192.168.1.100 --dport 22 -m state --state NEW -j ACCEPT # Drop all traffic /sbin/iptables -A INPUT -j DROP # iptables is started /sbin/service iptables save -- FAQ milis di http://wiki.linux.or.id/FAQ_milis_tanya-jawab Unsubscribe: kirim email ke [EMAIL PROTECTED] Arsip dan info milis selengkapnya di http://linux.or.id/milis
