<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 23 Mar 2020, at 17:15, <a href="mailto:zend.to@neilzone.co.uk" class="">zend.to@neilzone.co.uk</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="" style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none; margin: 0px; font-stretch: normal; font-size: 11px; line-height: normal; font-family: Menlo; color: rgb(46, 174, 187);"><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">2031<span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures;"> <span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">if</span><span class="" style="font-variant-ligatures: no-common-ligatures;"><span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">(</span><span class="" style="font-variant-ligatures: no-common-ligatures;">substr</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">(</span><span class="" style="font-variant-ligatures: no-common-ligatures;">getClientIP</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">(</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">$</span><span class="" style="font-variant-ligatures: no-common-ligatures;">NSSDROPBOX_PREFS</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">)</span><span class="" style="font-variant-ligatures: no-common-ligatures;">,<span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(180, 36, 25);">0</span><span class="" style="font-variant-ligatures: no-common-ligatures;">,<span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">$</span><span class="" style="font-variant-ligatures: no-common-ligatures;">sublen</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">)</span><span class="" style="font-variant-ligatures: no-common-ligatures;"><span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">==</span><span class="" style="font-variant-ligatures: no-common-ligatures;"><span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(193, 101, 28);">$</span><span class="" style="font-variant-ligatures: no-common-ligatures;">subnet</span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">)</span><span class="" style="font-variant-ligatures: no-common-ligatures;"><span class="Apple-converted-space"> </span></span><span class="" style="font-variant-ligatures: no-common-ligatures; color: rgb(200, 20, 201);">{</span></div></div></blockquote></div><div class=""><br class=""></div><div class=""><br class=""></div>Perhaps a silly question. When I check the getClientIP function in NSSUtils.php, I find:<div class=""><br class=""></div><div class=""><div class="">201 /* Fetch the REMOTE_ADDR of the http connection, even through proxies */</div><div class="">202 function getClientIP($prefs)</div><div class="">203 {</div><div class="">204 $useheaders = @$prefs['behindLoadBalancer'];</div><div class="">205 // Get the forwarded IP if it exists</div><div class="">206 if ( $useheaders && isset($_SERVER['HTTP_CLIENT_IP']) && array_key_exists('HTTP_CLIENT_IP', $_SERVER) ) {</div><div class="">207 $the_ip = $_SERVER['HTTP_CLIENT_IP'];</div><div class="">208 } elseif ( $useheaders && isset($_SERVER['HTTP_X_FORWARDED_FOR']) && array_key_exists('HTTP_X_FORWARDED_FOR', $_SERVER )) {</div><div class="">209 $the_ips = explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);</div><div class="">210 $the_ip = trim($the_ips[0]);</div><div class="">211 } elseif ( isset($_SERVER['REMOTE_ADDR']) ) {</div><div class="">212 $the_ip = $_SERVER['REMOTE_ADDR'];</div><div class="">213 } else {</div><div class="">214 $the_ip = '0.0.0.0';</div><div class="">215 }</div><div class=""><br class=""></div><div class="">Nothing jumps out at me, and I have the “behindLoadBalancer” preference set to FALSE.</div><div class=""><br class=""></div><div class="">The only thing crossing is mind is that I’m connecting over IPv6, and the IP in line 214 appears to be an IPv4 placeholder.</div><div class=""><br class=""></div><div class="">But I’m just guessing at this point.</div><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class="">Neil<br class=""><br class=""><br class=""></div></div>
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