<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="">“Is there currently any way to limit the number of successful <br class="">transactions per customer per day?”<div class=""><br class=""></div><div class="">look up “fail2ban” <a href="https://github.com/fail2ban/fail2ban" class="">https://github.com/fail2ban/fail2ban</a></div><div class=""><br class=""></div><div class="">It is designed to lock out IP addresses with too many failed connections.</div><div class=""><br class=""></div><div class="">It is probably possible to modify it to lock out Ip’s with failed purchases instead.</div><div class=""><br class=""></div><div class=""><br class=""><div class="">
Hillary<br class="">07919 488425<br class=""><a href="mailto:zen71001@zen.co.uk" class="">zen71001@zen.co.uk</a><br class=""><br class=""><br class="">
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<div><br class=""><blockquote type="cite" class=""><div class="">On 26 Feb 2025, at 12:00, <a href="mailto:interchange-users-request@interchangecommerce.org" class="">interchange-users-request@interchangecommerce.org</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="">Send interchange-users mailing list submissions to<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span><a href="mailto:interchange-users@interchangecommerce.org" class="">interchange-users@interchangecommerce.org</a><br class=""><br class="">To subscribe or unsubscribe via the World Wide Web, visit<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>https://www.interchangecommerce.org/mailman/listinfo/interchange-users<br class=""><br class="">or, via email, send a message with subject or body 'help' to<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>interchange-users-request@interchangecommerce.org<br class=""><br class="">You can reach the person managing the list at<br class=""><span class="Apple-tab-span" style="white-space:pre"> </span>interchange-users-owner@interchangecommerce.org<br class=""><br class="">When replying, please edit your Subject line so it is more specific<br class="">than "Re: Contents of interchange-users digest..."<br class=""><br class=""><br class="">Today's Topics:<br class=""><br class=""> 1. limiting number of transactions per customer per day<br class=""> (davideth@whojamadoogle.com)<br class=""> 2. Re: limiting number of transactions per customer per day (DB)<br class=""><br class=""><br class="">----------------------------------------------------------------------<br class=""><br class="">Message: 1<br class="">Date: Tue, 25 Feb 2025 13:57:39 -0600<br class="">From: "davideth@whojamadoogle.com" <davideth@whojamadoogle.com><br class="">To: interchange-users@interchangecommerce.org<br class="">Subject: [ic] limiting number of transactions per customer per day<br class="">Message-ID: <10c37d1e-6c76-4339-9708-8705a84dff84@whojamadoogle.com><br class="">Content-Type: text/plain; charset=UTF-8; format=flowed<br class=""><br class=""><http://www.icdevgroup.org/> Currently using 5.10.0<br class=""><br class=""><br class="">I have noticed a current issue with fraudulent charge attempts. These <br class="">are being used to verify stolen cards.<br class=""><br class=""><br class="">A false customer is using a bot to place successive orders to verify <br class="">that a card is being accepted. About 1000 order attempts from one <br class="">customer today with about 6 actually being successful but having a <br class="">billing address mismatch.<br class=""><br class=""><br class="">Is there currently any way to limit the number of successful <br class="">transactions per customer per day?<br class=""><br class="">Is the a way to limit the number of failed transaction attempts per day?<br class=""><br class="">TIA, David<br class=""><br class=""><br class=""><br class="">------------------------------<br class=""><br class="">Message: 2<br class="">Date: Tue, 25 Feb 2025 15:03:54 -0500<br class="">From: DB <db@m-and-d.com><br class="">To: interchange-users@interchangecommerce.org<br class="">Subject: Re: [ic] limiting number of transactions per customer per day<br class="">Message-ID: <d824a828-ef2d-4368-870a-0d381bd623a6@m-and-d.com><br class="">Content-Type: text/plain; charset=UTF-8; format=flowed<br class=""><br class="">On 2/25/25 2:57 PM, davideth--- via interchange-users wrote:<br class=""><blockquote type="cite" class=""><http://www.icdevgroup.org/> Currently using 5.10.0<br class=""><br class=""><br class="">I have noticed a current issue with fraudulent charge attempts. These <br class="">are being used to verify stolen cards.<br class=""><br class=""><br class="">A false customer is using a bot to place successive orders to verify <br class="">that a card is being accepted. About 1000 order attempts from one <br class="">customer today with about 6 actually being successful but having a <br class="">billing address mismatch.<br class=""><br class=""><br class="">Is there currently any way to limit the number of successful <br class="">transactions per customer per day?<br class=""><br class="">Is the a way to limit the number of failed transaction attempts per day?<br class=""><br class="">TIA, David<br class=""><br class=""></blockquote><br class="">I'm not sure about solutions currently in Interchange itself, but I know <br class=""> that Authorize.net (and likely others) have what's called 'velocity' <br class="">limits which may help.<br class=""><br class=""> From <br class="">https://account.authorize.net/help/Tools/Fraud_Detection_Suite/Transaction_Filters/Transaction_IP_Velocity_Filter.htm<br class=""><br class="">"The Transaction IP Velocity Filter allows you to limit the number of <br class="">transactions received from the same Internet Protocol (IP) address per <br class="">hour.... "<br class=""><br class="">DB<br class=""><br class=""><br class="">------------------------------<br class=""><br class="">Subject: Digest Footer<br class=""><br class="">_______________________________________________<br class="">interchange-users mailing list<br class="">interchange-users@interchangecommerce.org<br class="">https://www.interchangecommerce.org/mailman/listinfo/interchange-users<br class=""><br class=""><br class="">------------------------------<br class=""><br class="">End of interchange-users Digest, Vol 233, Issue 2<br class="">*************************************************<br class=""></div></div></blockquote></div><br class=""></div></body></html>