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FSN#39241 Onderste 16 bit ip-wissel altijd toestaan

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svn path=/Website/branches/v2016.3/; revision=32647
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Jos Groot Lipman
2017-02-01 09:47:48 +00:00
parent 94763ac3b4
commit 0b1ad742bd
1 changed files with 3 additions and 1 deletions
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4
APPL/Shared/Common.inc
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@@ -232,7 +232,9 @@ else
if (S("sys_ip_lockmode") > 0) if (S("sys_ip_lockmode") > 0)
{ {
var ip = String(Request.ServerVariables("REMOTE_ADDR")); var ip = String(Request.ServerVariables("REMOTE_ADDR"));
if (Session("last_ip") && Session("last_ip") != ip) // We zijn relatief flexibel: de laatste 16 bit wijzigen staan we toe
// Deze bescherming tegen session hijacking is dus maar heel beperkt
if (Session("last_ip") && Session("last_ip") != ip && !IP.inSubnet(Session("last_ip"), ip + "/16"))
{ {
var agent = String(Request.ServerVariables("HTTP_USER_AGENT")); var agent = String(Request.ServerVariables("HTTP_USER_AGENT"));
__DoLog("Unexpected ip-change from {0} to {1}\n{2}".format(Session("last_ip"), ip, agent), "#0ff"); __DoLog("Unexpected ip-change from {0} to {1}\n{2}".format(Session("last_ip"), ip, agent), "#0ff");