<html><head><base href="x-msg://127/"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div><div id="htc_header"><br><br></div><font size="2"><div class="PlainText">For any URL with pattern ' H', the nginx server sends an error response<span class="Apple-converted-space"> </span><br>without a header.<br><br>The following is an example:<br><br>-Umesh<br><br>umesh@umesh-desktop:~$ curl -vvv '<a href="http://nginx.net/">http://nginx.net/</a><span class="Apple-converted-space"> </span>H'<br>* About to connect() to<span class="Apple-converted-space"> </span><a href="http://nginx.net">nginx.net</a><span class="Apple-converted-space"> </span>port 80 (#0)<br>* Trying 206.251.255.63... connected<br>* Connected to<span class="Apple-converted-space"> </span><a href="http://nginx.net">nginx.net</a><span class="Apple-converted-space"> </span>(206.251.255.63) port 80 (#0)<br> > GET / H HTTP/1.1<br> > User-Agent: curl/7.21.0 (x86_64-pc-linux-gnu) libcurl/7.21.0<span class="Apple-converted-space"> </span><br>OpenSSL/0.9.8o zlib/1.2.3.4 libidn/1.18<br> > Host:<span class="Apple-converted-space"> </span><a href="http://nginx.net">nginx.net</a><br> > Accept: */*<br> ><br><html><br><head><title>400 Bad Request</title></head><br><body bgcolor="white"><br><center><h1>400 Bad Request</h1></center><br><hr><center>nginx/1.0.0</center><br></body><br></html><br><br></div></font></div></span></blockquote></div><br></body></html>