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Hello! I moved from openwrt to lede and got hacked. Seems like lede allows blank passwords for root for 'wan' interface by default. My fault. But by default blank should not be allowed for 'wan' interface s which is default for all ssh installations.
I've checked dropbear source and found '-B' option which is disabled by default. Not sure what is happening with lede. So, I post this issue.
I would suggest following default config for /etc/config/dropbear
No, the system will NOT allow INPUT connection from WAN by default. Can you describe the upgrade procedure like which version and where did the firmware image come from, did you upgrade without keeping the old configs?
axet:
Hello! I moved from openwrt to lede and got hacked. Seems like lede allows blank passwords for root for 'wan' interface by default. My fault. But by default blank should not be allowed for 'wan' interface s which is default for all ssh installations.
I've checked dropbear source and found '-B' option which is disabled by default. Not sure what is happening with lede. So, I post this issue.
I would suggest following default config for /etc/config/dropbear
And few changes to /etc/init.d/dropbear script with new AllowBlankPass == "-B" option.
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