Is it possible to direct "log entry" for a syslog server-specific ACL?

R1 (10.177.142.1)---f1/0 R2 f1/1---(192.168.1.3)R3

I want to apply a mild access list on R2 only in order to connect
entries and let me evaluate and find out how many users help
TELNET, www, and 3389 (RDP thing) protocols
from R1 go to R3. I can't block all traffic yet.

So my journal on R2 works accordingly to log for TELNET, www, and RDP - OK entries.

Question:
Imagine I want to capture these logs for about 2 weeks and then analyze output such as
source IP that generated these topics can you please tell me what is the
best and easiest way to capture this in the newspaper to allow later analysis? I can put a syslog
IP of the server that will be used only by this specific ACL WATCH_PROTOCOL?

#show R2 access-list
Expand the IP WATCH_PROTOCOL access list
permit tcp everything any eq 3389 journal - entry (2 matches)
permit tcp any any eq telnet log entry (36 matches)
permit tcp any any eq www journal-entry
permit ip any (226 matches)
R2 #.
R2 #show run | Access-Group Inc.
IP access-group WATCH_PROTOCOL in
R2 #.
R2 #.
00:14:38: % s-6-IPACCESSLOGP: list of the permitted tcp 10.177.142.1 WATCH_PROTOCOL (11
008) (FastEthernet1/0 ca01.0e80.001c)-> 192.168.1.3 (23), 1 packet

R1 #telnet 192.168.1.3 80
challenging 192.168.1.3, 80...
Connection refused by remote host %

R2 #.
00:14:38: % s-6-IPACCESSLOGP: list of the permitted tcp 10.177.142.1 WATCH_PROTOCOL (11
008) (FastEthernet1/0 ca01.0e80.001c)-> 192.168.1.3 (23), 1 packet
R2 #.
R2 #.
#show R2 access-list
Expand the IP WATCH_PROTOCOL access list
permit tcp everything any eq 3389 journal - entry (2 matches)
permit tcp any any eq telnet log entry (36 matches)
IP to allow all (67 matches)
R2 #show run | Access-Group Inc.
IP access-group WATCH_PROTOCOL in
R2 #.

This sounds like a job for Netflow.  I have provided links to the following documentation:

Netflow configuration (12.2 mainline):
http://www.Cisco.com/en/us/docs/iOS/12_2/switch/configuration/guide/xcfnfc.html

flow-tools (to analyze netflow data):
FTP://FTP.Eng.oar.NET/pub/flow-tools/flow-tools-0.66.tar.gz

PowerPoint, linking the two:
http://ws.edu.ISOC.org/workshops/2008/apricot2008/NetManage/presos/NetFlow/apricot-flow-tools-slides.ppt Let me know if this can help,

Tags: Cisco Security

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