思科的新手，所以我希望这个问题不会太菜。我正在尝试设置端口转发规则，以允许从“外部”到 LAN 上的 Web 服务器的“任何”SSL 流量。问题显然在于一个“隐式规则”，无论我尝试什么，它都会阻止流量。我一直在尝试添加访问规则来解决这个问题，但它要么不起作用，要么完全破坏了 NAT（或两者兼而有之）。我主要尝试使用 ASDM，也尝试过通过 Putty 使用 CLI（但我对这些命令还不是很满意）。
这是我在 CLI 中的数据包跟踪测试的输出：
MyASA(config)# packet-tracer input inside tcp 8.8.8.8 443 192.168.3.133 443
Phase: 1
Type: ROUTE-LOOKUP
Subtype: Resolve Egress Interface
Result: ALLOW
Config:
Additional Information:
in 192.168.3.0 255.255.255.0 inside
Phase: 2
Type: ACCESS-LIST
Subtype:
Result: DROP
Config:
Implicit Rule
Additional Information:
Forward Flow based lookup yields rule:
in id=0xcc9bdf80, priority=111, domain=permit, deny=true
hits=547, user_data=0x0, cs_id=0x0, flags=0x4000, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0, dscp=0x0
input_ifc=inside, output_ifc=inside
Result:
input-interface: inside
input-status: up
input-line-status: up
output-interface: inside
output-status: up
output-line-status: up
Action: drop
Drop-reason: (acl-drop) Flow is denied by configured rule
MyASA(config)#
这是我的（经过消毒的）“表演节目”-非常感谢大家
Type help or '?' for a list of available commands.
MyLabASA> enable
Password: *********
MyLabASA# show run
: Saved
:
: Serial Number:
: Hardware: ASA5505, 512 MB RAM, CPU Geode 500 MHz
:
ASA Version 9.2(3)
!
hostname MyLabASA
domain-name Labz.local
enable password encrypted
names
!
interface Ethernet0/0
switchport access vlan 2
!
interface Ethernet0/1
!
interface Ethernet0/2
!
interface Ethernet0/3
!
interface Ethernet0/4
!
interface Ethernet0/5
!
interface Ethernet0/6
!
interface Ethernet0/7
!
interface Vlan1
nameif inside
security-level 100
ip address 192.168.3.1 255.255.255.0
dhcprelay information trusted
!
interface Vlan2
description CenturyLink 100 Mbps fiber
nameif outside
security-level 0
pppoe client vpdn group LabzGroup
ip address pppoe setroute
!
ftp mode passive
dns server-group DefaultDNS
domain-name Labz.local
object network Work_Corp_WAN
host 72.165.30.162
description Work corporate network
object network Dell-Precision
host 192.168.3.38
description Dell-Precision
object network obj-Work_Corp_WAN
object service RDP-TCP
service tcp source eq 3389 destination eq 3389
description Win_RDP_port-3389
object network Dell-Optiplex
host 192.168.3.133
description Dell-Optiplex
object service SSL
service tcp source eq https destination eq https
description SSL
object network inside-subnet
subnet 192.168.0.0 255.255.255.0
object network Pub_IP_Oct4
host (Inside_Public_IP)
description CtLink Pub IP - Oct 4, 2018
object network Allow_inbound_SSL
host 192.168.3.133
description Allow inbound SSL to Labnmmon.com IIS site on Dell-Optiplex
access-list OUTSIDE-IN remark Allow HTTPS traffic to Dell-Optiplex
access-list OUTSIDE-IN extended permit tcp any object Dell-Optiplex eq https
access-list Inbound_SSL extended permit tcp interface outside object Dell-Optiplex eq https
access-list from_outside extended permit icmp object Work_Corp_WAN any
access-list from_outside extended permit icmp any object Work_Corp_WAN
access-list OUTSIDE extended permit icmp object Work_Corp_WAN any
access-list OUTSIDE extended permit icmp object Work_Corp_WAN any echo
access-list OUTSIDE extended permit icmp any object Work_Corp_WAN echo
pager lines 24
logging enable
logging asdm informational
mtu inside 1500
mtu outside 1500
icmp unreachable rate-limit 1 burst-size 1
icmp deny any echo-reply outside
no asdm history enable
arp timeout 14400
no arp permit-nonconnected
nat (any,outside) source dynamic any interface
nat (inside,outside) source static Dell-Optiplex interface service any SSL
!
object network Dell-Optiplex
nat (inside,outside) static interface
access-group Inbound_SSL in interface outside
timeout xlate 3:00:00
timeout pat-xlate 0:00:30
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
user-identity default-domain LOCAL
aaa authentication http console LOCAL
aaa authentication serial console LOCAL
aaa authentication ssh console LOCAL
aaa authentication enable console LOCAL
aaa authorization command LOCAL
aaa authorization exec LOCAL
http server enable
http 192.168.3.0 255.255.255.0 inside
no snmp-server location
no snmp-server contact
crypto ipsec security-association pmtu-aging infinite
crypto ca trustpool policy
telnet timeout 5
no ssh stricthostkeycheck
ssh 192.168.3.0 255.255.255.0 inside
ssh timeout 60
ssh version 2
ssh key-exchange group dh-group1-sha1
console timeout 0
vpdn group LabzGroup request dialout pppoe
vpdn group LabzGroup localname
vpdn group LabzGroup ppp authentication chap
vpdn username password ********** store-local
dhcpd dns 1.1.1.1 8.8.8.8
dhcpd domain Labz.local
!
dhcpd address 192.168.3.30-192.168.3.90 inside
dhcpd dns 1.1.1.1 8.8.8.8 interface inside
!
dhcprelay server 192.168.3.4 inside
threat-detection basic-threat
threat-detection statistics access-list
no threat-detection statistics tcp-intercept
username LabAdmin password encrypted privilege 15
username LabAdmin attributes
service-type admin
!
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 rsh
inspect rtsp
inspect esmtp
inspect sqlnet
inspect skinny
inspect sunrpc
inspect xdmcp
inspect sip
inspect netbios
inspect tftp
inspect ip-options
inspect icmp
inspect icmp error
!
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:86a10aca3e2df8250c81c3f9e89b5663
: end
MyLabASA#
更新 在答案中进行建议的更改后，我在数据包跟踪的第 5 阶段没有得到“结果：DROP”（它在第 2 阶段被丢弃）：
Phase: 5
Type: ACCESS-LIST
Subtype:
Result: DROP
Config:
Implicit Rule
Additional Information:
Forward Flow based lookup yields rule:
out id=0xcd49c438, priority=11, domain=permit, deny=true
hits=1, user_data=0x5, cs_id=0x0, use_real_addr, flags=0x0, protocol=0
src ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0
dst ip/id=0.0.0.0, mask=0.0.0.0, port=0, tag=0, dscp=0x0
input_ifc=any, output_ifc=inside
2019 年 2 月更新：
我想不通，所以我发了一篇新帖子，解决并回答了我的问题：
仍然无法在我的 ASA 5505 中进行端口转发 - 现在尝试 DMZ 端口
