Why does .htaccess redirect give 404?

Question

Apache HTTP Server

There is a correctly working redirect from the pages
www.domain.ru/advert.php?id=11 to www.domain.ru/advert/11

RewriteCond %{THE_REQUEST} advert\.php\?id=([0-9]+)\ HTTP/
RewriteRule ^advert\.php$ http://www.domain.ru/advert/%1? [R=301,L]

I'm trying to set up the same redirect
from www.domain.ru/index.php?mod=smth to www.domain.ru/smth

RewriteCond %{THE_REQUEST} index\.php\?mod=daily\ HTTP/
RewriteRule ^index\.php$ http://www.domain.ru/daily_rent? [R=301,L]

-- redirects correctly (www.domain.ru/daily_rent) but gives a 404 error, what could be the reason?

Answer 1

Solution:
K in addition to the redirect

RewriteCond %{THE_REQUEST} index\.php\?mod=smth\ HTTP/
RewriteRule ^index\.php$ http://www.domain.ru/smth? [R=301,L]

I should have added this rule
RewriteRule ^smth/?$ /index.php?mod=smth[QSA,L]

Answer 2

www.domain.ru/index.php?mod=daily what does it show?
More precisely, how strange you described the problem.
You need

from www.domain.ru/index.php?mod=smth to www.domain.ru/smth

But before writing redirects, you need to

www.domain.ru/smth

such a page exists

Answer 3

What does www.domain.ru/index.php?mod=daily show?