瞻博網路 SSG5 幫助！

防火牆中的新手在這裡。. .我需要我的信任區才能訪問網際網路，但問題是我無法實現。到目前為止，從信任區域，我可以 ping 不信任區域中的 IP，但無法 ping 信任區域或 bgroup0 中的 IP。

我還可以在信任區域內使用 telnet 到不信任區域。

這是我的配置：

{
unset key protection enable
set clock timezone 0
set vrouter trust-vr sharable
set vrouter "untrust-vr"
exit
set vrouter "trust-vr"
unset auto-route-export
exit
set alg appleichat enable
unset alg appleichat re-assembly enable
set alg sctp enable
set auth-server "Local" id 0
set auth-server "Local" server-name "Local"
set auth default auth server "Local"
set auth radius accounting port 1646
set admin name "netscreen"
set admin password "I'm an idiot for including my password on a public site"
set admin auth web timeout 10
set admin auth dial-in timeout 3
set admin auth server "Local"
set admin format dos
set zone "Trust" vrouter "trust-vr"
set zone "Untrust" vrouter "trust-vr"
set zone "DMZ" vrouter "trust-vr"
set zone "VLAN" vrouter "trust-vr"
set zone "Untrust-Tun" vrouter "trust-vr"
set zone "Trust" tcp-rst 
set zone "Untrust" block 
unset zone "Untrust" tcp-rst 
set zone "MGT" block 
unset zone "V1-Trust" tcp-rst 
unset zone "V1-Untrust" tcp-rst 
set zone "DMZ" tcp-rst 
unset zone "V1-DMZ" tcp-rst 
unset zone "VLAN" tcp-rst 
set zone "Untrust" screen tear-drop
set zone "Untrust" screen syn-flood
set zone "Untrust" screen ping-death
set zone "Untrust" screen ip-filter-src
set zone "Untrust" screen land
set zone "V1-Untrust" screen tear-drop
set zone "V1-Untrust" screen syn-flood
set zone "V1-Untrust" screen ping-death
set zone "V1-Untrust" screen ip-filter-src
set zone "V1-Untrust" screen land
set interface "ethernet0/0" zone "Untrust"
set interface "ethernet0/1" zone "DMZ"
set interface "bgroup0" zone "Trust"
set interface bgroup0 port ethernet0/2
set interface bgroup0 port ethernet0/3
set interface bgroup0 port ethernet0/4
set interface bgroup0 port ethernet0/5
set interface bgroup0 port ethernet0/6
unset interface vlan1 ip
set interface ethernet0/0 ip 192.168.200.225/24
set interface ethernet0/0 route
set interface bgroup0 ip 192.168.201.1/24
set interface bgroup0 nat
set interface ethernet0/0 gateway 192.168.200.1
set interface "ethernet0/0" pmtu ipv4
set interface "bgroup0" pmtu ipv4
unset interface vlan1 bypass-others-ipsec
unset interface vlan1 bypass-non-ip
set interface ethernet0/0 ip manageable
set interface bgroup0 ip manageable
set interface ethernet0/0 manage ping
set interface ethernet0/0 manage ssh
set interface ethernet0/0 manage telnet
set interface ethernet0/0 manage snmp
set interface ethernet0/0 manage ssl
set interface ethernet0/0 manage web
set interface ethernet0/0 manage ident-reset
set interface bgroup0 manage mtrace
set interface bgroup0 dhcp server service
set interface bgroup0 dhcp server auto
set interface bgroup0 dhcp server ip 192.168.201.10 to 192.168.201.20 
unset interface bgroup0 dhcp server config next-server-ip
set interface "serial0/0" modem settings "USR" init "AT&F"
set interface "serial0/0" modem settings "USR" active
set interface "serial0/0" modem speed 115200
set interface "serial0/0" modem retry 3
set interface "serial0/0" modem interval 10
set interface "serial0/0" modem idle-time 10
set flow tcp-mss
unset flow tcp-syn-check
unset flow tcp-syn-bit-check
set flow reverse-route clear-text prefer
set flow reverse-route tunnel always
set pki authority default scep mode "auto"
set pki x509 default cert-path partial
set crypto-policy
exit
set ike respond-bad-spi 1
set ike ikev2 ike-sa-soft-lifetime 60
unset ike ikeid-enumeration
unset ike dos-protection
unset ipsec access-session enable
set ipsec access-session maximum 5000
set ipsec access-session upper-threshold 0
set ipsec access-session lower-threshold 0
set ipsec access-session dead-p2-sa-timeout 0
unset ipsec access-session log-error
unset ipsec access-session info-exch-connected
unset ipsec access-session use-error-log
set vrouter "untrust-vr"
exit
set vrouter "trust-vr"
exit
set url protocol websense
exit
set policy id 1 from "Trust" to "Untrust"  "Any" "Any" "ANY" permit 
set policy id 1
exit
set policy id 2 from "Untrust" to "Trust"  "Any" "Any" "ANY" permit 
set policy id 2
exit
set policy id 3 from "Trust" to "Trust"  "Any" "Any" "ANY" permit 
set policy id 3
exit
set nsmgmt bulkcli reboot-timeout 60
set ssh version v2
set config lock timeout 5
unset license-key auto-update
set telnet client enable
set snmp port listen 161
set snmp port trap 162
set vrouter "untrust-vr"
exit
set vrouter "trust-vr"
unset add-default-route
exit
set vrouter "untrust-vr"
exit
set vrouter "trust-vr"
exit
}

第一件事與其說是修復，不如說是一個建議——不要將你的介面置於 NAT 模式。進入界面，進入路由模式。然後進入 Trust -> Untrust policy 頁面，選擇您的 any/any/any 策略，然後點擊 Advanced，將規則置於 Source Nat 模式。當您點擊應用並保存時，規則的圖示應變為藍色。（為什麼要這樣做？它在策略頁面上清楚地表明 NAT 正在發生。它還使您可以靈活地通過防火牆進行非 NAT，如果您願意。）

第二。您的“不信任”地址是 192.168.200.x/24 - 看起來像是保留的 IP。能ping通防火牆不信任網關192.168.200.1嗎？您確定 /24 是正確的蒙版尺寸嗎？您可以使用這些參數在“不信任”網路上設置系統並連接到網際網路嗎？你能弄清楚預設網關之後的下一跳 IP 是什麼，並得到它嗎？

第三。您似乎沒有將 DNS 設置為 DHCP 選項，因此您的 DHCP 客戶端沒有獲得 DNS 伺服器。這是故意的嗎？

第四。除非來自“不信任”端的 IP 將啟動與信任端的連接，否則您不需要策略 2。使用策略 1，流回信任方的流量被暗示允許關聯。

第五。除非您有多個標記為信任的安全區域（您不需要），否則您不需要信任 -> 信任規則。

第六。您似乎正在通過不信任界面進行所有管理。這可能是您想要的，但在我看來，它允許不信任網路訪問您的管理。

引用自：https://serverfault.com/questions/235670