{"id":478,"date":"2010-08-01T00:00:00","date_gmt":"2010-08-01T00:00:00","guid":{"rendered":"https:\/\/fir3netwp.gmsrrpobkbd.com\/2010\/08\/01\/securing-ios-configuration-and-ios-files\/"},"modified":"2021-07-24T18:40:46","modified_gmt":"2021-07-24T18:40:46","slug":"securing-ios-configuration-and-ios-files","status":"publish","type":"post","link":"https:\/\/www.fir3net.com\/Routers\/Cisco\/securing-ios-configuration-and-ios-files.html","title":{"rendered":"Securing your IOS configuration and files"},"content":{"rendered":"
In a worst case scenario someone could gain access to your router, clear the boot image and config. This would result in a lengthy down time and a lot stress. Cisco have tried to address this but the use of the following commands which prevents the clearing of your config and boot image<\/p>\n
(config) # secure boot-image
(config) # secure boot-config<\/pre>\nWhen using the secure boot-image<\/span> command the router requires a populated PCMCIA memory slot as it saves the boot image to its PCMCIA memory.
This isnt required for secure boot-config<\/span>. This command copies your configuration into un-delectable memory spaces, with the only way being able to delete this file being via the console port on the device.<\/p>\nRestore Image <\/strong><\/p>\n
rommon 1> boot slot0:c3745-js-mz.bin
Router # copy slot0:c3745-js-mz.bin flash:c3745-js-mz.bin
Router (config)# no boot system
Router (config)# boot system flash c3745-js-mz.bin<\/pre>\nRestore Configuration<\/strong><\/p>\n
Router (config)# secure boot-config restore rescue-cfg
Router # copy flash:rescue-cfg startup-config<\/pre>\n","protected":false},"excerpt":{"rendered":"In a worst case scenario someone could gain access to your router, clear the boot image and config. This would result in a lengthy down time and a lot stress. Cisco have tried to address this but the use of the following commands which prevents the clearing of your config and boot image (config) # … Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"yoast_head":"\n
Securing your IOS configuration and files - Fir3net<\/title>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n