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Deleting 'firewall options' causes Python TypeError
Closed, ResolvedPublicBUG


Deleteing the following firewall rules triggered an error:

firewall {
    all-ping enable
    broadcast-ping disable
    config-trap disable
    ipv6-receive-redirects disable
    ipv6-src-route disable
    ip-src-route disable
    log-martians enable
    options {
        interface wg01 {
            adjust-mss 1352
    receive-redirects disable
    send-redirects enable
    source-validation disable
    syn-cookies enable
    twa-hazards-protection disable
vyos@vyos# commit

[ firewall options interface wg01 ]
Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/", line 139, in <module>
  File "/usr/libexec/vyos/conf_mode/", line 97, in apply
    if tcp['new_chain4']:
TypeError: 'NoneType' object is not subscriptable

delete [ firewall options ] failed
delete [ firewall ] failed
Commit failed


Difficulty level
Easy (less than an hour)
Why the issue appeared?
Implementation mistake

Event Timeline

c-po renamed this task from Deleting firewall causes Python TypeError to Deleting 'firewall options' causes Python TypeError.Jun 20 2019, 8:15 PM
c-po closed this task as Resolved.
c-po claimed this task.
c-po triaged this task as High priority.
c-po changed Difficulty level from Unknown (require assessment) to Easy (less than an hour).
c-po changed Why the issue appeared? from Will be filled on close to Implementation mistake.