cFosSpeed
{{Short description|Traffic shaping software}}
{{lowercase|title=cFosSpeed}}
{{Infobox Software
| name = cFosSpeed
| developer = cFos Software GmbH
| released = {{start date and age|2004|7|7|df=yes}}
| latest release version = 13.00 Build 3000
| latest release date = {{start date and age|2024|02|27|df=yes}}
| latest preview version =
| latest preview date =
| operating system = Windows 11 and Windows 10
| language =
| genre = Traffic shaping
| license = Shareware
| website = {{URL|http://www.cfos.de/en/cfosspeed/cfosspeed.htm}}
}}
cFosSpeed is a traffic shaping software often bundled with MSI motherboards for the
Windows operating system. The program attaches itself as a device driver to the Windows
network stack where it performs packet inspection
and layer-7 protocol analysis. It has been noted as causing some issues with network connections, and can be difficult to uninstall when bundled.{{cite web |last1=Loynds |first1=Joel |title=cFosSpeed: How to Uninstall on Windows 11 and 10 |url=https://www.pcguide.com/windows-11/how-to/cfosspeed-uninstall/ |website=PC Guide |access-date=16 January 2022 |date=5 October 2021}}
A version of the software is bundled with some Gigabyte_Technology motherboards under the name "Gigabyte Speed"{{Cite web
|url = http://www.gigabyte.com/products/product-page.aspx?pid=4518#utility
|title = GIGABYTE - Motherboard - Socket 1150 - GA-Z87X-D3H (rev. 1.x)
|work = Gigabyte website
|publisher = Gigabyte Technology
|accessdate = 2015-10-03
}} and some ASRock motherboards as "XFast LAN".{{Cite web
|url = http://www.cfos.de/en/asrock/index.htm
|title = ASRock XFast LAN - cFos Software
|work = cFos website
|publisher = cFos Software GmbH
|accessdate = 2014-01-14
}}
Operational summary
The software divides data packets into different traffic classes through filtering rules. It has been noted to cause problems with some users' internet connections.{{cite web |last1=Loynds |first1=Joel |title=cFosSpeed: How to Uninstall on Windows 11 and 10 |url=https://www.pcguide.com/windows-11/how-to/cfosspeed-uninstall/ |website=PC Guide |access-date=16 January 2022 |date=5 October 2021}}
Data traffic can be classified and prioritized by program name, by layer-7 protocol, by
numbers, by DSCP tags as well as many other criteria.
Outgoing traffic is queued and sent out in order of priority.{{Cite web
|url = http://www.h-online.com/features/TCP-IP-tuning-for-faster-downloads-747378.html
|title = Tweaking TCP/IP
|work = The H Online
|publisher = Heise Media UK Ltd
|date = 20 February 2008
|first1 = Christoph |last1 = Lüders
|first2 = Martin |last2 = Winkler
}} The program uses TCP flow control to send new data only after older data has been received. Data may also be throttled by lowering the TCP window size. The software contains a packet filter firewall.{{Cite web
|title = List of cFosSpeed's features
|url = http://www.cfos.de/en/cfosspeed/features.htm
|work = cFos website
|publisher = cFos Software GmbH
|accessdate = 18 January 2011
}} Users are also able to write their own traffic classifications.{{Cite web
|title = Filter language used to classify packets
|url = http://www.cfos.de/en/cfosspeed/reference/
|work = cFos website
|publisher = cFos Software GmbH
|accessdate = 18 January 2011
}}
In recent years some driver issues have been found with cFosSpeed but they are easily fixable.{{Cite web |last=Gautam |first=Abhay |date=2022-08-29 |title=cFosSpeed Driver Windows 11: How to Fix Installation Error |url=https://www.buildsometech.com/cfosspeed-driver-windows-11-error-fix/ |access-date=2023-02-06 |language=en-US}}
Similar Products
References
{{Reflist}}
External links
- [http://www.cfos.de/en/cfosspeed/cfosspeed.htm Official site]
- [http://en.onsoftware.com/review-cfosspeed/ Review on Softonic onsoftware]
- [https://www.msi.com/Landing/dragon-center-download Dragon Center - MSI uninstall software]