Re: What is this request looking for?

Yehuda Katz <[email protected]> Fri, 6 Feb 2026 16:21:18 -0500
Newsgroups gmane.comp.apache.user
Message-ID <CAGBAQ447hgfUFp4oH2WCoQ6uOBt7pcKOzZqwmBYSV4zVBSxHJQ@mail.gmail.com>
--000000000000537003064a2e5f8c
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

I recommend fail2ban to set a block after some number of 408s for a single
IP. There are a lot of forum/QA posts about this specific filter - example:
https://security.stackexchange.com/questions/155941/blocking-slowloris-usin=
g-fail2ban-what-are-the-correct-parameters

- Y

Sent from a device with a very small keyboard and hyperactive autocorrect.

On Fri, Feb 6, 2026, 4:13=E2=80=AFPM Knute Johnson <[email protected]=
> wrote:

> I'm thinking of putting them all on the naughty list.  Any reason I
> shouldn't?
>
> Thanks,
>
> Knute...
>
> On 2/6/26 14:42, Yehuda Katz wrote:
> > HTTP 408 means the client opened a connection but didn't send a request=
.
> > This could be caused by anything from a misconfigured or buggy program
> > on the client side, to a malicious actor trying to overwhelm your serve=
r
> > with fake connections.
> >
> > - Y
> >
> > Sent from a device with a very small keyboard and hyperactive
> autocorrect.
> >
> > On Fri, Feb 6, 2026, 3:18=E2=80=AFPM Knute Johnson <groups@knutejohnson=
.com
> > <mailto:[email protected]>> wrote:
> >
> >       From my access.log
> >
> >     181.215.169.144 - - [06/Feb/2026:20:10:38 +0000] "-" 408 7240 "-" "=
-"
> >     194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] "-" 408 7240 "-" "=
-"
> >     194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] "-" 408 7240 "-" "=
-"
> >     194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] "-" 408 7240 "-" "=
-"
> >
> >
> >     --
> >
> >     Knute Johnson
> >     [email protected] <mailto:[email protected]>
> >
> >
> >     -------------------------------------------------------------------=
--
> >     To unsubscribe, e-mail: [email protected]
> >     <mailto:[email protected]>
> >     For additional commands, e-mail: [email protected]
> >     <mailto:[email protected]>
> >
>
>
> --
>
> Knute Johnson
> [email protected]
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [email protected]
> For additional commands, e-mail: [email protected]
>
>

--000000000000537003064a2e5f8c
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto"><div>I recommend fail2ban to set a block after some numbe=
r of 408s for a single IP. There are a lot of forum/QA posts about this spe=
cific filter - example: <a href=3D"https://security.stackexchange.com/quest=
ions/155941/blocking-slowloris-using-fail2ban-what-are-the-correct-paramete=
rs">https://security.stackexchange.com/questions/155941/blocking-slowloris-=
using-fail2ban-what-are-the-correct-parameters</a></div><div dir=3D"auto"><=
br></div><div dir=3D"auto">- Y</div><div><br></div><div data-smartmail=3D"g=
mail_signature">Sent from a device with a very small keyboard and hyperacti=
ve autocorrect.</div></div><br><div class=3D"gmail_quote gmail_quote_contai=
ner"><div dir=3D"ltr" class=3D"gmail_attr">On Fri, Feb 6, 2026, 4:13=E2=80=
=AFPM Knute Johnson &lt;<a href=3D"mailto:[email protected]">groups@k=
nutejohnson.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);pad=
ding-left:1ex">I&#39;m thinking of putting them all on the naughty list.=C2=
=A0 Any reason I <br>
shouldn&#39;t?<br>
<br>
Thanks,<br>
<br>
Knute...<br>
<br>
On 2/6/26 14:42, Yehuda Katz wrote:<br>
&gt; HTTP 408 means the client opened a connection but didn&#39;t send a re=
quest. <br>
&gt; This could be caused by anything from a misconfigured or buggy program=
 <br>
&gt; on the client side, to a malicious actor trying to overwhelm your serv=
er <br>
&gt; with fake connections.<br>
&gt; <br>
&gt; - Y<br>
&gt; <br>
&gt; Sent from a device with a very small keyboard and hyperactive autocorr=
ect.<br>
&gt; <br>
&gt; On Fri, Feb 6, 2026, 3:18=E2=80=AFPM Knute Johnson &lt;<a href=3D"mail=
to:[email protected]" target=3D"_blank" rel=3D"noreferrer">groups@knu=
tejohnson.com</a> <br>
&gt; &lt;mailto:<a href=3D"mailto:[email protected]" target=3D"_blank=
" rel=3D"noreferrer">[email protected]</a>&gt;&gt; wrote:<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0 =C2=A0From my access.log<br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0181.215.169.144 - - [06/Feb/2026:20:10:38 +0000] &q=
uot;-&quot; 408 7240 &quot;-&quot; &quot;-&quot;<br>
&gt;=C2=A0 =C2=A0 =C2=A0194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] &q=
uot;-&quot; 408 7240 &quot;-&quot; &quot;-&quot;<br>
&gt;=C2=A0 =C2=A0 =C2=A0194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] &q=
uot;-&quot; 408 7240 &quot;-&quot; &quot;-&quot;<br>
&gt;=C2=A0 =C2=A0 =C2=A0194.180.179.107 - - [06/Feb/2026:20:10:47 +0000] &q=
uot;-&quot; 408 7240 &quot;-&quot; &quot;-&quot;<br>
&gt; <br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0-- <br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0Knute Johnson<br>
&gt;=C2=A0 =C2=A0 =C2=A0<a href=3D"mailto:[email protected]" target=
=3D"_blank" rel=3D"noreferrer">[email protected]</a> &lt;mailto:<a hr=
ef=3D"mailto:[email protected]" target=3D"_blank" rel=3D"noreferrer">=
[email protected]</a>&gt;<br>
&gt; <br>
&gt; <br>
&gt;=C2=A0 =C2=A0 =C2=A0---------------------------------------------------=
------------------<br>
&gt;=C2=A0 =C2=A0 =C2=A0To unsubscribe, e-mail: <a href=3D"mailto:users-uns=
[email protected]" target=3D"_blank" rel=3D"noreferrer">users-unsub=
[email protected]</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0&lt;mailto:<a href=3D"mailto:users-unsubscribe@http=
d.apache.org" target=3D"_blank" rel=3D"noreferrer">users-unsubscribe@httpd.=
apache.org</a>&gt;<br>
&gt;=C2=A0 =C2=A0 =C2=A0For additional commands, e-mail: <a href=3D"mailto:=
[email protected]" target=3D"_blank" rel=3D"noreferrer">users-hel=
[email protected]</a><br>
&gt;=C2=A0 =C2=A0 =C2=A0&lt;mailto:<a href=3D"mailto:[email protected]=
e.org" target=3D"_blank" rel=3D"noreferrer">[email protected]</a>=
&gt;<br>
&gt; <br>
<br>
<br>
-- <br>
<br>
Knute Johnson<br>
<a href=3D"mailto:[email protected]" target=3D"_blank" rel=3D"norefer=
rer">[email protected]</a><br>
<br>
<br>
---------------------------------------------------------------------<br>
To unsubscribe, e-mail: <a href=3D"mailto:[email protected]=
g" target=3D"_blank" rel=3D"noreferrer">[email protected]<=
/a><br>
For additional commands, e-mail: <a href=3D"mailto:[email protected].=
org" target=3D"_blank" rel=3D"noreferrer">[email protected]</a><b=
r>
<br>
</blockquote></div>

--000000000000537003064a2e5f8c--