Praktik Firewall
A. CARA MENGKONEKSIKAN ROUTER KE INTERNET
1. Reset router terebih dahulu
2. Buat IP di Router
IP => Address => +
192.168.0.33/24 => Ether1 (Jadi WAN)
192.160.1.20/24 => Ether2
3. IP => Routers => +
Gateway : 192.168.0.1
4. IP => Firewall => NAT => +
5. Chain : srcnat
Out Interface : Ether1
Action : Masquerade
6. IP => DNS => Server : 8.8.8.8
7. Atur IP di PC
IP : 192.160.1.33
SM : 255.255.255.0
GW : 192.160.1.20
8. Pengecekan
Ketikkan Google.com di browser
B. BLOCK IP CLIENT
1. IP => Firewall => +
2. Chain : Forward
Dst. address : 192.160.1.33
3. Action : Drop
4. Pengecekan
Ketikkan google.com di browser
C. BLOCK PORT
1. IP => Firewall
2. Filter Rules => +
3. Chain : Forward
Protocol : 6 (tcp)
Dst. Port : 80
Action : Drop
4. Pengecekan
http://www.posindonesia.co.id
D. BLOCK SITUS/WEB
1. IP => Firewall
2. Address List
3. Name : Jalan Tikus
Address : www.jalantikus.com (Otomatis akan muncul IP)
4. Filter Rules => +
Chain : forward
Dst. address : IP dari www.jalantikus.com
5. Action : Drop
6. Pengecekan : www.jalantikus.com
E. BLOCK CONTENT
1. IP => Firewall
2. Filter Rules => +
3. Advanced
4. Content : bola
5. Pengecekan bola.com
F. REDIRECT
1. IP => Firewall => NAT
2. Chain : dstnat
Protocol : 6 (tcp)
Dst.Port : 80, 443
Action : redirect
To Ports : 8080
3. IP => Web proxy => access
4. Dst. host : www.detik.com
Action : deny
Redirect to : www.1cak.com
5. Pengecekan : www.detik.com
G. BLOCK EKSTENSI
1. IP => Firewall => NAT
2. Chain : dstnat
Protocol : 6 (tcp)
Dst. Port : 80, 443
Action : redirect
To Ports : 8080
3. IP => Web Proxy => Access
4. Path : *.exe*
Action : deny
5. Pengecekan
Firewal dan web proxy dimatikan dulu, lalu cari file yang akan didownload. Lalu nyalakan firewall dan web proxy
6. Baru klik Download
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