linux:firewall

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--- linux:firewall [2016/01/10 22:11]
kwon37xi
+++ linux:firewall [2020/10/07 09:39] (현재)
kwon37xi [UFW - Ubuntu Firewall]
@@ 줄 3: / 줄 3: @@
   * [[https://help.ubuntu.com/8.04/serverguide/firewall.html|ufw - Ubuntu fire wall]]
   * [[http://blog.naver.com/bestheroz?Redirect=Log&logNo=67705029|iptables를 이용한 설정]]
+  * [[https://dzone.com/articles/linux-iptables-firewall-simplified-examples|Linux Iptables Firewall Simplified Examples - DZone Security]]
+  * [[https://www.cyberciti.biz/faq/howto-iptables-show-nat-rules/|Linux: Iptables List and Show All NAT IPTables Rules Command – nixCraft]]
 ===== 현재 방화벽 상태보기 =====
@@ 줄 27: / 줄 29: @@
 ====== UFW - Ubuntu Firewall ======
-==== UFW 상태는 ====
 <code sh>
 sudo ufw status
@@ 줄 33: / 줄 35: @@
 </code>
-==== GUFW ====
-''ufw'' GUI
 <code sh>
+# ufw GUI 설치
 sudo apt-get install gufw
 </code>
@@ 줄 46: / 줄 47: @@
 sudo ufw disable
-#전부 닫고 포트 6112 만 열기
+#전부 닫고 포트 ssh, 6112 만 열기
 sudo ufw enable
-sudo ufw default deny
+sudo ufw default deny incoming
+sudo ufw default allow outgoing
+sudo ufw allow ssh
 sudo ufw allow 6112
+# port range 허용
+sudo ufw allow 6000:6007/tcp
+sudo ufw allow 6000:6007/udp
+# 특정 IP 허용
+sudo ufw allow from 203.0.113.4
 </code>
+  * [[http://www.cyberciti.biz/faq/how-to-block-an-ip-address-with-ufw-on-ubuntu-linux-server/|How to block an IP address with ufw on Ubuntu Linux server]]
+  * [[https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-with-ufw-on-ubuntu-18-04|How To Set Up a Firewall with UFW on Ubuntu 18.04 | DigitalOcean]]

linux/firewall.1452433281.txt.gz · 마지막으로 수정됨: 2016/01/10 22:11 저자 kwon37xi