KomodiaBot / KStandBot: What It Is & How to Block It

01 · Operator

Who operates KomodiaBot

Company: Komodia Inc. (URL Classification service)
Type: Other bot
Official docs: url-classification.io

02 · Behavior

What KomodiaBot does

The service scans the web daily to classify websites. It checks each site about once every three days. Current documentation lists KStandBot/1.0 user agents and says other user agents may also be used.

03 · Impact

Why KomodiaBot matters for your site

If you allow it

Correct classification can keep your site from being wrongly filtered
Visits are infrequent
Source IPs are published

If you block it

No direct traffic benefit
robots.txt handling is not documented
May use other user agents

04 · Allow

How to allow KomodiaBot

robots.txt

User-agent: KomodiaBot
Allow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "KomodiaBot")
Action:     Skip › All Super Bot Fight Mode rules

# Also check Security › Bots: "Block AI bots" can block it regardless of robots.txt.

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: KomodiaBot
Allow: /

nginx

# nginx serves every user agent by default.
# Make sure no rule like this blocks it:
# if ($http_user_agent ~* "KomodiaBot") { return 403; }

Apache

# Apache serves every user agent by default.
# Make sure .htaccess has no rule like this:
# RewriteCond %{HTTP_USER_AGENT} KomodiaBot [NC]
# RewriteRule .* - [F,L]

05 · Block

How to block KomodiaBot

Start with robots.txt. If KomodiaBot keeps showing up in your logs, block it at your CDN or web server.

robots.txt

User-agent: KomodiaBot
Disallow: /

Cloudflare

# Security › WAF › Custom rules › Create rule
Expression: (http.user_agent contains "KomodiaBot")
Action:     Block

WordPress

# WordPress serves a virtual robots.txt. Edit it with your SEO plugin:
# Yoast: SEO › Tools › File editor · Rank Math: General Settings › Edit robots.txt
User-agent: KomodiaBot
Disallow: /

nginx

# In your server { } block:
if ($http_user_agent ~* "KomodiaBot") {
    return 403;
}

Apache

# .htaccess
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} KomodiaBot [NC]
RewriteRule .* - [F,L]
</IfModule>

06 · User agents

User agents we see for KomodiaBot

The user agent published by the operator:

Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 5.1) KStandBot/1.0

07 · Verification

Is it really KomodiaBot?

KomodiaBot’s operator publishes no IP ranges or hostnames, so requests cannot be verified. Treat the user agent as a claim, and watch your logs for unusual request rates.

FAQ

Questions about KomodiaBot

What is KomodiaBot?

It is the web crawler of the URL Classification service, which scans websites to classify them by category.

How often does KomodiaBot visit?

The documentation says the crawler checks each site about once every three days.

How can I verify KomodiaBot requests?

The documentation publishes a list of source IP addresses. Compare the request IP with that list.

KomodiaBot is Komodia Inc. (URL Classification service)’s other bot