[Eril-l] [External] Re: Taylor & Francis blocking IP addresses due to excessive use

Dave Fowler dcfowler at uoregon.edu
Mon Jan 23 14:58:28 PST 2023

Although I have not heard of any issues with Zotero and T&F, we did have an issue last year with the Zotero config messing with our access to Swank films.


From: Eril-l <eril-l-bounces at lists.eril-l.org> on behalf of Jennifer Richard <jennifer.richard at acadiau.ca>
Sent: Monday, January 23, 2023 2:48 PM
To: Martincik, Lisa L <lisa-martincik at uiowa.edu>
Cc: eril-l at lists.eril-l.org <eril-l at lists.eril-l.org>; Josh d'Entremont <josh.dentremont at acadiau.ca>
Subject: Re: [Eril-l] [External] Re: Taylor & Francis blocking IP addresses due to excessive use

We experienced this last week as well at Acadia in Eastern Canada, not sure why.


On Jan 23, 2023, at 4:31 PM, Martincik, Lisa L <lisa-martincik at uiowa.edu> wrote:

CAUTION: This email comes from outside Acadia. Verify the sender and use caution with any requests, links or attachments.


Same here. Only two cases so far, and we don’t know the browser, but they both seemed connected to Zotero and a malformed proxy setting. Glad to hear we aren’t alone if not glad to hear its happening.




Lisa Martincik     (she/they)

Electronic Resources Librarian

University of Iowa

lisa-martincik at uiowa.edu<mailto:lisa-martincik at uiowa.edu>


Please do not feel obligated to answer outside of your working hours.

From: Eril-l <eril-l-bounces at lists.eril-l.org> On Behalf Of Sara Hills
Sent: Monday, January 23, 2023 2:19 PM
To: Kenyon Stuart <kstuart at umich.edu>; eril-l at lists.eril-l.org
Subject: [External] Re: [Eril-l] Taylor & Francis blocking IP addresses due to excessive use

Hello Kenyon -

Yes, we've experienced the same thing. We've had a number of reports of on-campus IP addresses being blocked. We're still trying to figure out what the cause was/is.

I'm happy to know we're not alone!

Sara K Hills

Electronic Resources and Serials Librarian

Interim Head of Acquisitions and Resource Management

American University, Washington DC 20016



From: Eril-l <eril-l-bounces at lists.eril-l.org<mailto:eril-l-bounces at lists.eril-l.org>> on behalf of Kenyon Stuart <kstuart at umich.edu<mailto:kstuart at umich.edu>>
Sent: Monday, January 23, 2023 2:49 PM
To: eril-l at lists.eril-l.org<mailto:eril-l at lists.eril-l.org> <eril-l at lists.eril-l.org<mailto:eril-l at lists.eril-l.org>>
Subject: [Eril-l] Taylor & Francis blocking IP addresses due to excessive use

External Email: Use caution with links and attachments.


We received a few reports last week from Taylor & Francis that they had temporarily blocked one of our IP addresses because of excessive connection to Taylor & Francis Online (tandfonline.com<https://urldefense.com/v3/__http:/tandfonline.com__;!!IaT_gp1N!wSm7aYZLkckv-8S1C-SYwjntc5qMzp8ODu3z8wutJm7cSZGTO_AYW6G5VUdGKWibs7S8xyLzjwiA4eHfEuc$>). The activity occurs over a period of one or two minutes and involves dozens of connections to only 1 or 2 pages. The block seems to occur after 100 total connection attempts.

Our IT group investigated and suggested the activity could be due to a buggy browser. We've contacted a few users and they mentioned they were using Chrome and Zotero.

Has anyone else experienced similar issues with Taylor & Francis Online or with Chrome or Zotero? If yes, do you have any suggestions on what we can do or should investigate?

Thank you,

Kenyon Stuart

Electronic Resource Management Unit

320 Harlan Hatcher Graduate Library

University of Michigan

Ann Arbor, Michigan 48109-1190 USA

email: kstuart at umich.edu
<mailto:kstuart at umich.edu>

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