Microsoft
Software
Hardware
Network
Question : Allowing NTP through PIX 501
ISP/DSL -->Wireless Router
PIX 501
Cisco 2610
Problem: I am able to reach the Internet from the PIX but not able to reach the Internet or synchronize ntp on the Cisco 2610.
PIX 501 Config
PIX Version 6.3(4)
interface ethernet0 10baset
interface ethernet1 100full
nameif ethernet0 outside security0
nameif ethernet1 inside security100
clock timezone EST -5
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol ils 389
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
access-list from_outside permit udp host 66.150.161.140 192.168.1.0 255.255.255.0 eq ntp
access-list from_outside permit icmp any any
access-list from_outside permit ip any any
access-list from_inside permit udp 192.168.1.0 255.255.255.0 any eq ntp
access-list from_inside permit icmp any any
access-list from_inside permit ip any any
pager lines 24
logging on
logging timestamp
logging monitor warnings
logging buffered warnings
logging trap warnings
logging history warnings
logging host inside 192.168.1.21
icmp permit any outside
icmp permit any inside
mtu outside 1300
mtu inside 1300
ip audit info action alarm
ip audit attack action alarm
pdm history enable
arp timeout 14400
global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0 0 0
static (inside,outside) 66.150.161.140 192.168.1.32 netmask 255.255.255.255 0 0
access-group from_outside in interface outside
access-group from_inside in interface inside
route outside 0.0.0.0 0.0.0.0 interface
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
aaa authentication ssh console LOCAL
aaa authentication telnet console LOCAL
aaa authorization command LOCAL
ntp server 130.207.244.240 key 1660 source outside prefer
snmp-server location Home
snmp-server contact MP
snmp-server community public
snmp-server enable traps
floodguard enable
sysopt connection permit-ipsec
telnet 192.168.1.0 255.255.255.0 inside
telnet timeout 5
ssh 192.168.1.0 255.255.255.0 inside
ssh timeout 60
console timeout 0
terminal width 80
Cryptochecksum:3c20046872a
f31f07ae2d
cf400aa596
1
: end
Cisco 2610 Config:
version 12.2
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname Router
!
logging buffered 4096 debugging
no logging console
!
ip subnet-zero
!
!
!
call rsvp-sync
!
!
!
!
!
!
!
!
interface Ethernet0/0
ip address 192.168.1.32 255.255.255.0
full-duplex
!
ip classless
ip route 0.0.0.0 0.0.0.0 Ethernet0/0
no ip http server
ip pim bidir-enable
!
!
voice-port 1/0/0
!
voice-port 1/0/1
!
dial-peer cor custom
!
!
!
!
line con 0
line aux 0
line vty 0 4
privilege level 15
logging synchronous
login
!
ntp source Ethernet0/0
ntp server 66.150.161.140 prefer
end
Answer : Allowing NTP through PIX 501
PAQed with points refunded (125)
modulo
Community Support Moderator
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