Update 12-network.md

[Rody10]

Fixed spelling mistake: Protocoles -> Protocols

Author checklist (Completed by original Author)

• Good fit for the Rocky Linux project? Title and Author Metatags inserted ?
• If applicable, steps and instructions have been tested to work
• Initial self-review to fix basic typos and grammar completed

Rocky Documentation checklist (Completed by Rocky team)

• 1st Pass (Document is good fit for project and author checklist completed)
• 2nd Pass (Technical Review - check for technical correctness)
• 3rd Pass (Detailed Editorial Review and Peer Review)
• Final approval (Final Review)

[github-actions]

Test results for ccb3059:

Number of broken URLs: 7

URL,RESULT,FILENAME
 https://azuremarketplace.microsoft.com/en-us/marketplace/apps/resf.rockylinux-aarch64,failed,guides/cloud/migration-to-new-azure-images.md
 https://saifhalila.github.io/,failed,guides/contribute/README.md
 https://www.linuxcapable.com/how-to-install-nginx-mainline-on-rocky-linux/,failed,guides/web/nginx-mainline.md
 https://www.ssllabs.com/ssltest/,failed,guides/web/caddy.md
 https://dl.rockylinux.org/pub/rocky/9.3/live/x86_64/,failed,guides/desktop/kde_installation.md
 https://dl.rockylinux.org/pub/rocky/9.3/live/x86_64/,failed,guides/desktop/mate_installation.md
 https://dl.rockylinux.org/pub/rocky/9.3/live/x86_64/,failed,guides/desktop/xfce_installation.md

[sspencerwire]

Thank you @Rody10 !!