就配置我的 ASA-5505 而言，我已经在这里工作了 2 天，浏览了无数论坛和教程。我无法上网（即使使用来自 ASA 的 ping），我也无法“看到”网络上的 ASA .. 基本上它是除控制台之外的一个死硬件。我的调制解调器也已设置为桥接模式。这是我遵循的教程：这里.. 不知道下一步该去哪里 .. “外部” vlan 似乎配置错​​误，而且我已经尝试了很多渗透，我确信我忽略了一些重要且显而易见的事情。当我能够从 ASA ping 8.8.8.8 时，我会很高兴！

这是我的康卡斯特设置：

Gateway MAC Address           78:CD:8E:D9:FB:34
WAN MAC Address               78:CD:8E:D9:FB:37
WAN DHCP IP Address           50.135.170.116
WAN DHCP IPv6 Address         ::/64
WAN DHCP IPv6 DNS (primary)   ::
WAN DHCP IPv6 DNS (secondary) ::
WAN DHCP Subnet Mask          255.255.254.0
WAN DHCP Default Gateway      50.xx.xx.1
WAN Internet IP Address       74.xx.xx.230
DNS (primary)                 75.75.75.75
DNS (secondary)               75.75.76.76
DHCP Time Remaining           92h:42m:22s
Internal Gateway IP Address   10.1.10.1
Internal Subnet Mask          255.255.255.0
INTERNAL DHCP                 DISABLED

这是我的 ASA 配置：

ASA Version 8.2(5)
!
hostname DTS-ASA
enable password xxxxxxxxxxxxxx encrypted
passwd xxxxxxxxxxx encrypted
names
!
interface Ethernet0/0
 switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
 shutdown
!
interface Ethernet0/3
 shutdown
!
interface Ethernet0/4
 shutdown
!
interface Ethernet0/5
 shutdown
!
interface Ethernet0/6
 shutdown
!
interface Ethernet0/7
 shutdown
!
interface Vlan1
 nameif inside
 security-level 100
 ip address 10.1.10.100 255.255.255.0
!
interface Vlan2
 nameif outside
 security-level 0
 ip address 74.xx.xx.230 255.255.255.248
!
ftp mode passive
pager lines 24
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
global (outside) 10 interface
nat (inside) 10 10.1.10.0 255.255.255.0
route outside 0.0.0.0 0.0.0.0 74.xx.xx.230 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute
timeout tcp-proxy-reassembly 0:01:00
timeout floating-conn 0:00:00
dynamic-access-policy-record DfltAccessPolicy
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart
crypto ipsec security-association lifetime seconds 28800
crypto ipsec security-association lifetime kilobytes 4608000
telnet timeout 5
ssh timeout 5
console timeout 0

threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
username cisco password ZBZ8GNEdrJsjFvsR encrypted privilege 15
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
 parameters
  message-length maximum client auto
  message-length maximum 512
policy-map global_policy
 class inspection_default
  inspect dns preset_dns_map
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect ip-options
  inspect netbios
  inspect rsh
  inspect rtsp
  inspect skinny
  inspect esmtp
  inspect sqlnet
  inspect sunrpc
  inspect tftp
  inspect sip
  inspect xdmcp
!
 service-policy global_policy global
prompt hostname context
no call-home reporting anonymous
call-home
 profile CiscoTAC-1
  no active
  destination address http https://tools.cisco.com/its/service/oddce/services/DDCEService
  destination address email callhome@cisco.com
  destination transport-method http
  subscribe-to-alert-group diagnostic
  subscribe-to-alert-group environment
  subscribe-to-alert-group inventory periodic monthly
  subscribe-to-alert-group configuration periodic monthly
  subscribe-to-alert-group telemetry periodic daily
Cryptochecksum:86f051cb52af3d343c52cf1a222c6901
: end

链接 我说过，我可能遗漏了一些关键和明显的东西，但是拥有开发背景网络是一个有点陌生的概念。