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IPS not functionning

 
 
Kronos
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      09-01-2005
Hello all,

I have a Cisco 871 router, which I installed the SDM on. When I try to
configure the IPS, it tells me the module is not there.

So, I loaded the ips.tar file to the router from the SDM cd, and the
128MB.sdf file for the signatures. When I use the SDM now, though, it
still tells me that the IPS is not loaded.

I rebooted the router, but nothing. Do I need to load ips.tar in
memory for it work? If so, how? I've looked up every command I could
find but no cigar...

Thanks!

 
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RobO
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      09-01-2005
Hi,

I am not familiar with enabling IPS within SDM but could guide you
though it via console/telnet/ssh.

Generally via the command line one would create an IPS statement with a
name, then configure the SDF file location and then apply that rule to
an interface, more than likely inbound on the internet facing
interface.

Something like this:

config t
ip ips name IPS_CHECK
ip ips sdf location flash:128MB.sdf
ip ips notify log (for syslog)
int x
ip ips IPS_CHECK in

This is the minimum to get started.

Bear in mind the 128MB.sdf file is for routers with a minimum of 128MB
RAM, which I'm sure you know about.

You might not find any signature matches right away in the logs but
something should come up...eventually.
That is if there is not some bug within the IOS.
If you are able to post a running configuration please do so if it
still doesn't work.

Hope this helps,

Rob

 
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Kronos
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      09-02-2005
Hi Rob,

thanks for your help, but I'm still having a problem. When running "ip
ips name IPS_CHECK", I get the error "% Invalid input detected at '^'
marker." And the marker is under the "ips" word.

Here's my running config. Of course, I've removed a few values, but
it's the whole of it
I'm messing with my first Cisco here, so I know it's not totally
configured yet...

================================================== ==========

Current configuration : 5241 bytes
!
! Last configuration change at 16:50:47 PCTime Fri Sep 2 2005 by admin
!
version 12.3
no service pad
service tcp-keepalives-in
service tcp-keepalives-out
service timestamps debug datetime msec localtime show-timezone
service timestamps log datetime msec localtime show-timezone
service password-encryption
service sequence-numbers
!
hostname cisco1
!
boot-start-marker
boot-end-marker
!
logging buffered 51200 debugging
logging console critical
enable secret 5 ************************
!
username admin privilege 15 secret 5 ************************
clock timezone PCTime -5
clock summer-time PCTime date Apr 6 2003 2:00 Oct 26 2003 2:00
aaa new-model
!
!
aaa authentication login default local
aaa authorization exec default local
aaa session-id common
ip subnet-zero
no ip source-route
ip cef
!
!
ip inspect name DEFAULT100 cuseeme
ip inspect name DEFAULT100 ftp
ip inspect name DEFAULT100 h323
ip inspect name DEFAULT100 icmp
ip inspect name DEFAULT100 netshow
ip inspect name DEFAULT100 rcmd
ip inspect name DEFAULT100 realaudio
ip inspect name DEFAULT100 rtsp
ip inspect name DEFAULT100 esmtp
ip inspect name DEFAULT100 sqlnet
ip inspect name DEFAULT100 streamworks
ip inspect name DEFAULT100 tftp
ip inspect name DEFAULT100 tcp
ip inspect name DEFAULT100 udp
ip inspect name DEFAULT100 vdolive
ip tcp synwait-time 10
no ip bootp server
ip domain name test.local
ip name-server 10.0.253.2
ip name-server 64.254.144.134
ip ssh time-out 60
ip ssh authentication-retries 2
vpdn-group 1
accept-dialin
protocol pptp
virtual-template 2
terminate-from hostname cisco1
!
no ftp-server write-enable
!
!
!
!
!
!
!
interface FastEthernet0
no ip address
no cdp enable
!
interface FastEthernet1
no ip address
no cdp enable
!
interface FastEthernet2
no ip address
no cdp enable
!
interface FastEthernet3
no ip address
no cdp enable
!
interface FastEthernet4
description $ES_WAN$$FW_OUTSIDE$
ip address (EXTERNAL_IP_HERE) 255.255.255.0
ip access-group 101 in
ip verify unicast reverse-path
no ip redirects
no ip unreachables
no ip proxy-arp
ip inspect DEFAULT100 out
ip nat outside
ip virtual-reassembly
ip route-cache flow
duplex auto
speed auto
no cdp enable
!
interface Vlan1
description $ETH-SW-LAUNCH$$INTF-INFO-HWIC 4ESW$$ES_LAN$$FW_INSIDE$
ip address 10.0.253.12 255.255.255.0
ip access-group 100 in
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat inside
ip virtual-reassembly
ip route-cache flow
ip tcp adjust-mss 1452
!
ip classless
ip route 0.0.0.0 0.0.0.0 (GATEWAY_HERE)
!
ip http server
ip http access-class 2
ip http authentication local
ip http secure-server
ip http timeout-policy idle 600 life 86400 requests 10000
ip nat inside source list 1 interface FastEthernet4 overload
!
logging trap debugging
access-list 1 remark INSIDE_IF=Vlan1
access-list 1 remark SDM_ACL Category=2
access-list 1 permit 10.0.253.0 0.0.0.255
access-list 2 remark HTTP Access-class list
access-list 2 remark SDM_ACL Category=1
access-list 2 permit 10.0.253.0 0.0.0.255
access-list 2 deny any
access-list 100 remark auto generated by Cisco SDM Express firewall
configuration
access-list 100 remark SDM_ACL Category=1
access-list 100 deny ip (EXTERNAL_SUBNET_HERE) 0.0.0.255 any
access-list 100 deny ip host 255.255.255.255 any
access-list 100 deny ip 127.0.0.0 0.255.255.255 any
access-list 100 permit ip any any
access-list 100 remark auto generated by Cisco SDM Express firewall
configuration
access-list 100 remark SDM_ACL Category=1
access-list 101 remark auto generated by Cisco SDM Express firewall
configuration
access-list 101 remark SDM_ACL Category=1
access-list 101 deny ip 10.0.253.0 0.0.0.255 any
access-list 101 permit icmp any host (WAN_IP_HERE) echo-reply
access-list 101 permit icmp any host (WAN_IP_HERE) time-exceeded
access-list 101 permit icmp any host (WAN_IP_HERE) unreachable
access-list 101 deny ip 10.0.0.0 0.255.255.255 any
access-list 101 deny ip 172.16.0.0 0.15.255.255 any
access-list 101 deny ip 192.168.0.0 0.0.255.255 any
access-list 101 deny ip 127.0.0.0 0.255.255.255 any
access-list 101 deny ip host 255.255.255.255 any
access-list 101 deny ip host 0.0.0.0 any
access-list 101 deny ip any any
access-list 101 remark auto generated by Cisco SDM Express firewall
configuration
access-list 101 remark SDM_ACL Category=1
access-list 102 remark VTY Access-class list
access-list 102 remark SDM_ACL Category=1
access-list 102 permit ip 10.0.253.0 0.0.0.255 any
access-list 102 deny ip any any
access-list 102 remark VTY Access-class list
access-list 102 remark SDM_ACL Category=1
snmp-server community public RO
snmp-server community private RW
snmp-server location cisco1
snmp-server contact http://www.velocityreviews.com/forums/(E-Mail Removed)
snmp-server host (SNMP_SERVER_HERE) (E-Mail Removed)
no cdp run
!
control-plane
!
banner login ^CAuthorized access only!
Disconnect IMMEDIATELY if you are not an authorized user!^C
!
line con 0
no modem enable
transport preferred all
transport output telnet
line aux 0
transport preferred all
transport output telnet
line vty 0 4
access-class 102 in
exec-timeout 60 0
transport preferred all
transport input telnet ssh
transport output all
!
scheduler max-task-time 5000
scheduler allocate 4000 1000
scheduler interval 500
end

================================================== ==========

Thanks for the help!

 
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RobO
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      09-02-2005
Kronos wrote:
> When running "ip ips name IPS_CHECK", I get the error "% Invalid input detected at '^'
> marker." And the marker is under the "ips" word.


Just to confirm, did you try the command in global configuration mode? ie:

router#
router#config t
router(config)#ip ips name IPS_CHECK

If it still doesn't give you the option then probably the IOS version
you have does not support it!

What is your IOS version?
router#show version
Post the output of that.

Rob.
 
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Kronos
Guest
Posts: n/a
 
      09-06-2005
No, even with config t it doesn't work. Which is weird since I was
told it supports IPS...

cisco1#show version
Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version
12.3(YI1, RELEASE SOFTWARE (fc1)
Synched to technology version 12.3(10.3)T2
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2005 by Cisco Systems, Inc.
Compiled Fri 22-Apr-05 14:57 by ealyon

ROM: System Bootstrap, Version 12.3(8r)YI, RELEASE SOFTWARE
ROM: Cisco IOS Software, C870 Software (C870-ADVSECURITYK9-M), Version
12.3(YI1, RELEASE SOFTWARE (fc1)

cisco1 uptime is 4 days, 18 hours, 3 minutes
System returned to ROM by reload
System restarted at 13:44:34 PCTime Thu Sep 1 2005
System image file is "flash:c870-advsecurityk9-mz.123-8.YI1.bin"
Last reload reason: Reload command



This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be
found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
(E-Mail Removed).

Cisco 871 (MPC8272) processor (revision 0x100) with 118784K/12288K
bytes of memory.
Processor board ID FHK093213P8
MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10
5 FastEthernet interfaces
128K bytes of non-volatile configuration memory.
24576K bytes of processor board System flash (Intel Strataflash)

Configuration register is 0x2102

 
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