Auth and Session Failure
164 incident problems that show up as “Auth and Session Failure”.
먼저 읽을 가이드
추천 문제
All problems (164)
NETWORK-074DHCP Option 82 insertion changes and the server policy rejects every client from one access blockClient broadcasts arrive correctly, but the server stops leasing because relay metadata changed after an access switch template rollout.NetworkIntermediate17 minFreeK8S-058Projected Secret rotates but the app never sees the new value through subPathSecret rotation works at the volume level, yet the application keeps using the old value because the file is mounted through a subPath that does not refresh.KubernetesIntermediate19 minFreeSECURITY-005IAM role rotation leaves one batch worker using stale credentialsMost services refresh correctly, but one worker process keeps using cached credentials and starts failing scheduled jobs.ReviewedSecurityIntermediate20 minProCICD-005Jobs waiting forever due to a self-hosted runner label mismatchJobs waiting forever (Auth and Session Failure) is a hands-on troubleshooting drill. A scenario for tracking labels, groups, and permission scope when the runner is alive but jobs are not picked up. GitHub GitHub Actions Workflows needs to be checked by narrowing scope, recent...CI/CDIntermediate19 minProNETWORK-016Packets arrive, but new connections fail due to conntrack table saturationA situation where the firewall and network are alive but new sessions cannot open due to the kernel connection-tracking limit.NetworkAdvanced29 minProNETWORK-154A management VRF can reach the TACACS server, but the source interface changed after a chassis swap and the AAA server rejects the unknown client addressReachability exists, yet trust is anchored to a previous device identity.NetworkAdvanced16 minProSECURITY-121An OAuth token exchange succeeds, but the resource server clock skew rejects the just-issued JWT as not yet validIdentity is correct, yet token freshness assumptions differ across the two systems.SecurityAdvanced16 minProSECURITY-098CloudFront signed cookie scope excludes the websocket upgrade host and only the browser terminal loses authStatic pages load normally, but the interactive browser tool fails because the signed cookie domain or path does not cover the upgraded endpoint host.SecurityAdvanced16 minProSECURITY-393A break-glass access role bypasses MFA (Auth and Session Failure)A break-glass access role bypasses MFA (Auth and Session Failure) focuses on Identity and Access Management and asks the reader to isolate Auth and Session Failure in Azure. 실무에서는 auth-and-session-failure 경보만 보는 대신 자산 범위, 권한 변경 이력, 인증서나 정책 만료, 우회 경로 존재 여부를 같이 확인해야 대응 우선순위를 제대로...SecurityAdvanced17 minProSECURITY-345A federated login trust points at the correct issuer while the downstream application still enforces the old audience or group claim mapping during a staged decommissionAuthentication succeeds at the identity edge and authorization fails where claims are interpreted differently. The service still works through the primary path, but one dependency only fails when the old component is finally drained away.SecurityAdvanced17 minProSECURITY-118A hardware token step-up is required on paper, but the mobile fallback policy silently downgrades privileged actions to SMSAdministrators believe strong authentication protects the action, yet one fallback rule lets the mobile app satisfy the control with a weaker factor.SecurityAdvanced17 minProSECURITY-387A mutual TLS edge validates the client certificateA mutual TLS edge validates the client certificate focuses on TLS and Certificate Chain and asks the reader to isolate Certificate Trust Failure in NGINX. 실무에서는 auth-and-session-failure 경보만 보는 대신 자산 범위, 권한 변경 이력, 인증서나 정책 만료, 우회 경로 존재 여부를 같이 확인해야 대응 우선순위를 제대로 잡을 수 있습니다. TLS 관점의...SecurityAdvanced17 minProSECURITY-154An IAM role trust policy is updated for the new OIDC issuer, but the condition key still references the old provider path and federated deploys failThe identity provider appears swapped successfully, yet the claim-matching logic is still anchored to the previous issuer structure.SecurityAdvanced17 minProSECURITY-150An incident containment playbook revokes the VM role, but the host's metadata proxy cache keeps serving old credentials for several minutesThe control plane moved fast, yet runtime revocation lag created a dangerous grace period.SecurityAdvanced17 minProSECURITY-102Just-in-time admin approval succeeds, but the bastion PAM cache still enforces the previous group membershipOperators receive the right entitlement in the identity plane, yet the bastion keeps denying access until its local authorization cache expires.SecurityAdvanced17 minProSECURITY-109SCIM deprovision disables the SaaS account, but a long-lived personal token still lets the former admin call the APIIdentity offboarding appears complete in the UI, yet API access remains because one token type was never linked to account lifecycle enforcement.SecurityAdvanced17 minProSECURITY-159The mTLS certificate chain validates externally, but the internal proxy strips the client certificate header on HTTP/2 upgrade and backend auth fails only thereTransport security is intact, yet identity propagation across layers is not.SecurityAdvanced17 minProSECURITY-330A break-glass or emergency path bypasses one identity control while another session or device rule still revokes it before the task finishes during a failover rehearsalThe emergency door opens and another control closes it before recovery is done. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.SecurityAdvanced18 minProSECURITY-324A mutual TLS path validates at the edge while revocation checks or identity forwarding fail later in the request chain during a failover rehearsalTransport setup succeeds and the secure identity contract breaks farther downstream. Normal traffic masked the issue until the standby or alternate path became active under rehearsal conditions.SecurityAdvanced18 minProCICD-142A reusable workflow updates its permissions block, but the caller workflow still downgrades the token scope and deployment cannot assume the cloud roleThe shared workflow looks fixed, yet the effective identity is still too narrow because the caller constrains it further.CI/CDAdvanced18 minPro