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‎squid-users/2026-March.txt‎

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From squid3 at treenet.co.nz Sun Mar 1 02:24:20 2026
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From: squid3 at treenet.co.nz (Amos Jeffries)
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Date: Sun, 1 Mar 2026 15:24:20 +1300
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Subject: [squid-users] passing request body in GET requests
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In-Reply-To: <aaGD8X7_7dCH8ntN@fantomas.sk>
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References: <aaGD8X7_7dCH8ntN@fantomas.sk>
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Message-ID: <a55651a5-2fac-4819-8c56-d1f0d31737f2@treenet.co.nz>
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On 28/02/2026 00:45, Matus UHLAR - fantomas wrote:
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> Hello,
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>
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> our client uses SW RTKLIB which tends to send data using GET requests,
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> containing request body (...) with no Transfer-Encoding: or Content-
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> Length: headers and using HTTP/1.0 protocol (hardcoded).
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>
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>
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> On squid, the request body is dropped
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>
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> Am I correct if I assume this is correct from protocol point of view
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> or is there any way to pass this data through proxy?
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This is odd behaviour from RTKLIB (and invalid HTTP). The other NTRIP
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protocol agents I could find doing the same operation do not send
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anything after their GET request headers.
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The RTKLIB sources show it sending a Connection::close. So to any HTTP
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agent(s) it will just be unwanted extra bytes on the TCP stream, they
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will be dropped and maybe logged.
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To send any content in an HTTP/1.0 GET request requires the
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Content-Length header.
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NTRIP protocol specification claims to be HTTP/1.1 compliant which means
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Transfer-Encoding is technically valid, although still semantically
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dubious for GET. Better just not to send content in GET.
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HTH
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Amos
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‎squid-users/2026-March.txt.gz‎

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‎squid-users/2026-March/027823.html‎

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<HTML>
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<HEAD>
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<TITLE> [squid-users] passing request body in GET requests
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</TITLE>
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<LINK REL="Index" HREF="index.html" >
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<LINK REL="made" HREF="mailto:squid-users%40lists.squid-cache.org?Subject=Re%3A%20%5Bsquid-users%5D%20passing%20request%20body%20in%20GET%20requests&In-Reply-To=%3Ca55651a5-2fac-4819-8c56-d1f0d31737f2%40treenet.co.nz%3E">
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<META http-equiv="Content-Type" content="text/html; charset=us-ascii">
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</HEAD>
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<BODY BGCOLOR="#ffffff">
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<H1>[squid-users] passing request body in GET requests</H1>
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<B>Amos Jeffries</B>
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<A HREF="mailto:squid-users%40lists.squid-cache.org?Subject=Re%3A%20%5Bsquid-users%5D%20passing%20request%20body%20in%20GET%20requests&In-Reply-To=%3Ca55651a5-2fac-4819-8c56-d1f0d31737f2%40treenet.co.nz%3E"
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TITLE="[squid-users] passing request body in GET requests">squid3 at treenet.co.nz
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</A><BR>
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<I>Sun Mar 1 02:24:20 UTC 2026</I>
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<P><UL>
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<LI> <B>Messages sorted by:</B>
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<a href="date.html#27823">[ date ]</a>
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<a href="thread.html#27823">[ thread ]</a>
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<a href="subject.html#27823">[ subject ]</a>
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<a href="author.html#27823">[ author ]</a>
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</LI>
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</UL>
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<HR>
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<!--beginarticle-->
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<PRE>On 28/02/2026 00:45, Matus UHLAR - fantomas wrote:
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&gt;<i> Hello,
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</I>&gt;<i>
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</I>&gt;<i> our client uses SW RTKLIB which tends to send data using GET requests,
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</I>&gt;<i> containing request body (...) with no Transfer-Encoding: or Content-
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</I>&gt;<i> Length: headers and using HTTP/1.0 protocol (hardcoded).
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</I>&gt;<i>
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</I>&gt;<i>
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</I>&gt;<i> On squid, the request body is dropped
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</I>&gt;<i>
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</I>&gt;<i> Am I correct if I assume this is correct from protocol point of view
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</I>&gt;<i> or is there any way to pass this data through proxy?
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</I>
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This is odd behaviour from RTKLIB (and invalid HTTP). The other NTRIP
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protocol agents I could find doing the same operation do not send
53+
anything after their GET request headers.
54+
55+
The RTKLIB sources show it sending a Connection::close. So to any HTTP
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agent(s) it will just be unwanted extra bytes on the TCP stream, they
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will be dropped and maybe logged.
58+
59+
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To send any content in an HTTP/1.0 GET request requires the
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Content-Length header.
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NTRIP protocol specification claims to be HTTP/1.1 compliant which means
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Transfer-Encoding is technically valid, although still semantically
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dubious for GET. Better just not to send content in GET.
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HTH
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Amos
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</PRE>
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<!--endarticle-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<h1>March 2026 Archives by author</h1>
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<li> <b>Messages sorted by:</b>
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<p><b>Starting:</b> <i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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<b>Ending:</b> <i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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<b>Messages:</b> 1<p>
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<ul>
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<LI><A HREF="027823.html">[squid-users] passing request body in GET requests
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</A><A NAME="27823">&nbsp;</A>
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<I>Amos Jeffries
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</I>
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</ul>
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<p>
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<a name="end"><b>Last message date:</b></a>
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<i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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<b>Archived on:</b> <i>Sun Mar 1 02:24:32 UTC 2026</i>
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‎squid-users/2026-March/date.html‎

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<h1>March 2026 Archives by date</h1>
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<ul>
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<LI><A HREF="027823.html">[squid-users] passing request body in GET requests
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</A><A NAME="27823">&nbsp;</A>
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<I>Amos Jeffries
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</I>
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</ul>
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<p>
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<a name="end"><b>Last message date:</b></a>
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<i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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‎squid-users/2026-March/index.html‎

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<b>Messages:</b> 1<p>
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<ul>
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<LI><A HREF="027823.html">[squid-users] passing request body in GET requests
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</A><A NAME="27823">&nbsp;</A>
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<I>Amos Jeffries
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</I>
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</ul>
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<p>
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<a name="end"><b>Last message date:</b></a>
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<i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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‎squid-users/2026-March/thread.html‎

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<!--0 01772331860.27823- -->
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<LI><A HREF="027823.html">[squid-users] passing request body in GET requests
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</A><A NAME="27823">&nbsp;</A>
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<I>Amos Jeffries
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</I>
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</ul>
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<p>
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<a name="end"><b>Last message date:</b></a>
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<i>Sun Mar 1 02:24:20 UTC 2026</i><br>
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‎squid-users/index.html‎

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<td>Downloadable version</td></tr>
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<tr>
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<td>March 2026:</td>
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<td>
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<A href="2026-March/thread.html">[ Thread ]</a>
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<A href="2026-March/subject.html">[ Subject ]</a>
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<A href="2026-March/author.html">[ Author ]</a>
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<A href="2026-March/date.html">[ Date ]</a>
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</td>
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<td><A href="2026-March.txt">[ Text 1 KB ]</a></td>
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</tr>
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<td>February 2026:</td>
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<td>
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<A href="2026-February/author.html">[ Author ]</a>
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<A href="2026-February/date.html">[ Date ]</a>
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</td>
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<td><A href="2026-February.txt.gz">[ Gzip'd Text 16 KB ]</a></td>
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<td><A href="2026-February.txt.gz">[ Gzip'd Text 17 KB ]</a></td>
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