SSH producing different fingerprints for different formats in ipv6

Solution Unverified - Updated -

Issue

  • When doing ssh using different format(compact mode and extended mode) of ipv6, different fingerprints are updating in known_hosts file.
  • New fingerprints will be added if expanded entry will add after compact mode.
 2axx:8axx:axxx:1xxx::axf:cxx3x ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAum2wWdkkUnREUO/ge63y11sN8546YJZ4cGTOKhbArS8O12KSVTP7bRfLsmU+YpPAc6lWcm815760PS8xf7A8dKC20psM9oDqHOTanq6yrGqo997IJh8n9f+3STz+EH0a4iIfENVk/Vd0y/N7Las4AO1U+aaDJ/rJRSuFByjYFiBDZyxZHOosANBVdeuz0jm0XpR4K/hl4g3/uyp/Uvxw1PMWpaHqv51bXJlmqDCOKrHL7ET2cAra+MLpI6HdNS0V2M4GbsmGTxEIGSPRTvPFxuJ9YqdhLoAPPFvGoBkNMKLFTMXmWD+UMNT9R0P+qseP38m6w75Fn/cu1qnnAo/1rQ==

2axx:8axx:axxx:1xxx:00xx:00xx:0axf:0x3a ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAum2wWdkkUnREUO/ge63y11sN8546YJZ4cGTOKhbArS8O12KSVTP7bRfLsmU+YpPAc6lWcm815760PS8xf7A8dKC20psM9oDqHOTanq6yrGqo997IJh8n9f+3STz+EH0a4iIfENVk/Vd0y/N7Las4AO1U+aaDJ/rJRSuFByjYFiBDZyxZHOosANBVdeuz0jm0XpR4K/hl4g3/uyp/Uvxw1PMWpaHqv51bXJlmqDCOKrHL7ET2cAra+MLpI6HdNS0V2M4GbsmGTxEIGSPRTvPFxuJ9YqdhLoAPPFvGoBkNMKLFTMXmWD+UMNT9R0P+qseP38m6w75Fn/cu1qnnAo/1rQ==

Environment

  • Red Hat Enterprise Linux 6
  • Ipv6
  • SSH

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