Juniper's sip (Security) statement reference states that the SIP ALG is disabled by default on SRX5600 and SRX5800 devices, implying other SRX models default to enabled.

disputed · Checked 2026-09-25

By default, the SIP ALG is disabled for SRX5600 and SRX5800 devices.
Vendor
Juniper Networks
Product
Junos OS SRX Series
Subsystem
ALG
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-25
Status
disputed
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-default-statement-page. WarmTransfer. https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-default-statement-page

BibTeX

@misc{warmtransfer-claim-sip-alg-problems-junos-default-statement-page,
  title  = {SIP ALG problems on firewalls and routers: source note sip-alg-problems-junos-default-statement-page},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/sip-alg-problems-junos-default-statement-page},
  note   = {Source note sip-alg-problems-junos-default-statement-page, checked 2026-09-25}
}

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