Cisco ASA Modellari Cisco ASA 5510 - masofadan turib ishlashni hisobga oladigan kichik va o'rta
biznes korxonalar uchun mukammal model, bu iqtisodiy jihatdan xavfsiz yechim
hamdir. Barcha xavfsizlik xizmatlarini onlayn boshqarish platformasi orqali
boshqarish mumkin. Cisco 5510-da siz kutgan yuqori samarali firewall va tarmoq
xavfsizligi yechimlari mavjud. Xavfsizlik xizmatlari moduli buzilishning oldini
olish imkoniyatlarini to'liq boshqarish imkoniyatini beradi va mustahkam antivirus
xizmatini bajaradi. Biznes kelajakda kengayishini inobatga olgan holda himoya
qilish mexanizmlarini sinflarga ajratadi, shuning uchun Cisco ASA 5510
kompaniyaga kerak bo'lganda funksiyalarni kengaytirishga imkon beradi.
Cisco ASA 5525-X - Cisco SecureX freymidan foydalangan holda, ushbu model
xavfsizligi yanada murakkab tarmoqqa ega bo'lgan o'rta kompaniyalar uchun juda
mos keladi. SecureX texnologiyasi Cisco taqdim etadigan xavfsizlik yechimlarining
eng so'nggi versiyasidir.
Ishni bajarish tartibi 1.
Cisco packet tracer dasturi ishga tushiriladi.
2.
AMALIY ISH uchun cisco 2960 kommutatori, 2911 marshruzatori, ASA0
5505 firewalli, server va kompyuterlar tanlanadi.
3.
Quyida keltirilgan topologiya quriladi.
4.
Qurilgan topologiya testlab ko`riladi.
2-rasm. Tadqiq qilinayotgan tarmoq topologiyasi.
Qurilgan topologiyada quyidagi buyruqlar teriladi:
ASA0 ga quyidagi buyruqlar ketma ketligi kiritiladi.
ciscoasa>en ciscoasa#conf t ciscoasa(config)#interface vlan 1 ciscoasa(config-if)#no ip address ciscoasa(config-if)#ip address 195.158.100.1 255.255.255.0 ciscoasa(config-if)#exit ciscoasa(config)#dhcpd address 195.158.100.22-192.158.100.50 inside
ciscoasa(config)#dhcpd dns 8.8.8.8 ciscoasa(config)#enable password salom ciscoasa(config)#username elshod password admin ciscoasa(config)#ssh 192.158.100.22 255.255.255.255 inside ciscoasa(config)#ssh timeout 1 ciscoasa(config)#aaa authentication ssh console LOCAL ciscoasa(config)#interface vlan 2 ciscoasa(config-if)# no ip address ciscoasa(config-if)#ip address 195.158.0.2 255.255.255.252 ciscoasa(config-if)#exit ciscoasa(config)#route outside 0.0.0.0 0.0.0.0 195.158.0.1 ciscoasa(config)#object network NET ciscoasa(config-network-object)#subnet 195.158.100.0 255.255.255.0 ciscoasa(config-network-object)#nat (inside,outside) dynamic interface ciscoasa(config-network-object)#ex ciscoasa#conf t ciscoasa(config)#access-list NAT extended permit icmp any any ciscoasa(config)#access-group NAT in interface outside ROUTERga quyida buyruqlar ketma ketligi kiritiladi.
continue with configuration dialog? [yes/no]: no Router>enable Router#conf t Router(config)#interface gigabitEthernet 0/0 Router(config-if)#no shutdown Router(config-if)#exit Router(config)#hostname IP IP(config)#interface gigabitEthernet 0/0 IP(config-if)#ip address 195.158.0.1 255.255.255.252
IP(config-if)#ex IP(config)#interface gigabitEthernet 0/1 IP(config-if)#no shutdown IP(config-if)#ip address 8.8.8.1 255.255.255.0 Router(config-if)#do wr Router(config-if)#exit 3-rasm Server ga IP manzil berish.
4-rasm. Hostning ASA firewall orqali avtomatik IP manzil olishi.
5-rasm. SSH protokoli yordamida firewallga masofaviy ulanish.
17.6-rasm. Qurilgan topologiyani testlab ko’rish.
