About Jon Are Endrerud

Jon Are Endrerud · 01-20-2026

HelloBeen struggling with a Cisco 1120 today, no warranty left, but would like to get it running again. Tried a new disk and flashed it with tftp from rommon, also tried USB. Unit comes up with FXOS, but not able to install FTD with scope --> firmwar...

Jon Are Endrerud · 05-08-2025

Is it me or are nothing released regarding CVE-2025-20182https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-multiprod-ikev2-dos-gPctUqv2Looked for something to patch 7.4.2 with.

Jon Are Endrerud · 05-30-2024

Hello all.For all the years I have worked with Cisco products, ASA's, FTD's, IOS routers I have had the same problem with SNMP. If you add, remove interfaces and reboot the ASA, FTD, Router the unit reorders the interfaces and numbers no longer match...

Jon Are Endrerud · 04-24-2024

HelloWe have a lot of clients getting the following error when contacting diffrent sites: ERR_SSL_PROTOCOL_ERROR, we have read that SonicWall and Palo Alto also have these problemes. Solution is to turn off "TLS 1.3 Hybridized Kyber Support" in chro...

Jon Are Endrerud · 10-18-2023

Hello EveryoneWe have a fleet of FTD's and some ASA's that's being phased out. I have SSL decrypt working and have successfully tried all the functionality and it works as expected. But now I am wondering in networks with several thousand users and d...

Jon Are Endrerud · 01-26-2026

Sorry for this post...... Just found out that if I use "show package" instead of "show image" it show the SPA file not the others. The SPA file is listed as version "7.4.2-172", if you use image it says "7.4.2.172".

Jon Are Endrerud · 01-23-2026

I will try again, but I have used the correct files, before upload the image file list is empty, but after the upload of the SPA file, the list is populated as shown. Will take screenshots so you can see it.Thanks so far!

Jon Are Endrerud · 01-23-2026

I can promise you I have used the correct files, after upload this is what is listed. I have done this operation on many units, never seen this problem before. I have booted and uploaded 6.4.0/7.2.2/7.4.2/.7.6.4, started from scratch with blank SSD e...

Jon Are Endrerud · 01-21-2026

No errors I have done this several times on 1xxx and 21xx series, cant remember seeing this problem. The only thing that is new are starting with a new disk SSD (cisco). All partitions are created one first boot by fxos. Everything seems normal. That...

Jon Are Endrerud · 01-21-2026

I probably need a recover imager or something to bootstrap this device correctly,

Member Since	‎09-16-2013 05:33 AM
Date Last Visited	‎01-26-2026 01:35 AM
Posts	193
Total Helpful Votes Received	69

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Reimage Cisco FTD 1120 - empty disk, missing correct FXOS

IKEv2 - CVE-2025-20182 - Denial of Service Vulnerability

SNMP Cisco FTD - ASA

FTD's - Firepower dropping HTTPS traffic using TLS 1.3 Hybridized Kybe

Firepower SSL decrypt - What ?

Re: Reimage Cisco FTD 1120 - empty disk, missing correct FXOS

Re: Reimage Cisco FTD 1120 - empty disk, missing correct FXOS

Re: Reimage Cisco FTD 1120 - empty disk, missing correct FXOS

Re: Reimage Cisco FTD 1120 - empty disk, missing correct FXOS

Re: Reimage Cisco FTD 1120 - empty disk, missing correct FXOS