<div dir="ltr">I guess that the question is about the lua variable scope rather than nginx.<div>you should give the simplest lua script to reproduce the question in the mail.</div><div><br></div><div>About lua variable scope, you can take a look at <a href="https://github.com/openresty/lua-nginx-module#lua-variable-scope">this</a> writen by agentzh:)</div></div><div class="gmail_extra"><br><div class="gmail_quote">2016-08-11 15:04 GMT+08:00 石磊 <span dir="ltr"><<a href="mailto:shilei@qiyi.com" target="_blank">shilei@qiyi.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="ZH-CN" link="#0563C1" vlink="#954F72">
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<p class="MsoNormal"><span lang="EN-US">Hi,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I am using nginx 1.4, and I did fetch the "ngx.var.remote_addr" more than once in lua script, but strange thing is sometimes I will get different “$remote_addr” in different line in the same lua script file.
<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Some more information:<u></u><u></u></span></p>
<p style="margin-left:18.0pt">
<u></u><span lang="EN-US"><span>1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span lang="EN-US">I hook the lua script at rewrite_by_lua_file stage<u></u><u></u></span></p>
<p style="margin-left:18.0pt">
<u></u><span lang="EN-US"><span>2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span lang="EN-US">This happens when the client has more than one ip address with different Operators.<u></u><u></u></span></p>
<p style="margin-left:18.0pt">
<u></u><span lang="EN-US"><span>3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><u></u><span lang="EN-US">The “remote_addr” I got are the ip addresses the client have from different Operators.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">I want to know how this happen, it is by design that the “$remote_addr” could be changed for a http request?<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks!<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:13.0pt;font-family:"\005fae\008f6f\0096c5\009ed1",sans-serif;color:gray">石<span lang="EN-US">
</span>磊</span></b><span lang="EN-US"><u></u><u></u></span></p>
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