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Easy to set up and configure, Kiwi Syslog Server receives, logs, displays, and forwards syslog messages from network devices. See why thousands of network engineers love this easy-to-use Free Syslog Server!

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Compare Versions

Trying to decide if the licensed or the free version of Kiwi Syslog Server is right for you? We’ve created a handy chart below that can help you compare features. For more detail, see the comparison bullets below.

Features

Free Licensed

Web Access

 No  Yes

Log Forwarder for Windows

 No  Yes

Database logging

 No  Yes

DNS resolution of IP addresses within the message text field

 No  Yes

Log file auto-splitting categories

 No  Yes

Message filtering

 No  Yes

Launch actions based on message contents (ie scripts, external programs)

 No  Yes

Advanced alerting options

 No  Yes

Customize syslogs messages

 No  Yes

Transparent proxy via spoofing syslogs UDP packet

 No  Yes

Customize SNMP traps

 No  Yes

GUI-based, real-time syslog manager

 Yes  Yes

Simultaneously view multiple windows

 Yes  Yes

Basic message logging and forwarding

 Yes  Yes

Automatic log file archiving

 Yes  Yes

Conditional e-mail alerting

 Yes  Yes

Source address retention during forwarding

 Yes  Yes

Trend syslog statistics

 Yes  Yes

Inbound message limit to stop packet loss

<20K

Up to 10M

 

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Features of the Free Version


  • GUI-based real-time syslog manager
  • View syslog messages in multiple windows simultaneously
  • Message logging or forwarding of all messages, or based on priority or time of day
  • Auto-split the log file by priority or time of day
  • Receive and forward message via UDP, TCP, or SNMP
  • Automatic log file archiving based on a custom schedule
  • Messages per hour alarm notification with audible sound or e-mail
  • Log file size alarm notification with audible sound or e-mail
  • Daily e-mailing of syslog traffic statistics
  • Maintains source address when forwarding messages to other syslog hosts
  • Syslog statistics with graph of syslog trends (Last 24 hrs/Last 60 mins.)
  • Syslog message buffering ensuring messages are not missed under heavy load
  • DNS resolution of source host IP addresses with optional domain removal
  • DNS caching of up to 100 entries to ensure fast lookups and minimize DNS lookups
  • Pre-emptive DNS lookup using up to 10 threads
  • Five out-of-the-box skins to change the look of the program
  • Selectable display font, display color, and background wallpaper
  • Also available as an NT Service
  • RFC3164 send and receive options

Additional Features in the Licensed Version:

In addition to the features available in the free version, the licensed version of Kiwi Syslog Server offers more features and flexibility:

Auto-split log file options:

  • Host name
  • Host IP address
  • Domain name
  • WELF format tags in message text

Advanced filtering options:

  • Filter on IP address, hostname, or message text
  • Filter unwanted host messages or take a different logging action depending on the host name
  • Filter based on several flags or counters including time interval, threshold, and timeout

Actions:

  • Powerful scripting engine for filtering, parsing, custom statistics and performing actions
  • Run an external program of your choice when the filter conditions are met
  • Log to an ODBC database (Access®/SQL/Oracle®/MySQL/Informix®)
  • Write logs to the Windows® NT application Event Log
  • Play the sound file of your choice when the filter conditions are met
  • Forward the received syslog messages via e-mail
  • Send a syslog message to another host when the filter conditions are met
  • Send an SNMP trap (Version 1 or Version 2)
  • Pass values from the received syslog message to an external program, e-mail message or syslog message, such as:
    • Message text
    • Time of message
    • Date of message
    • Hostname
    • Facility
    • Level
    • Alarm threshold values
    • Current syslog statistics

Buffering:

  • A buffer for 20,000 syslog messages to ensure you don't miss messages under heavy load
  • A buffer for 1,000 e-mail messages to ensure all e-mail gets through under heavy load or if the mail server is unavailable temporarily
  • The DNS cache will hold up to 20,000 entries
  • The DNS pre-emptive lookup can spawn up to 200 threads

Alarm options:

  • Run an external program when an alarm condition is reached. This could be a pager or SMS program
  • Play the sound file of your choice when an alarm condition is reached