Security Gateways

Access Control and Threat Prevention Best Practices
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25699

Encryption Failure: according to the policy the packet should not have been decrypted

25699

inside

Explorer

25699

First packet isn't Syn; tcp_flags: ACK

25699

Solved

inside

Contributor

25698

ClusterXL - standby cannot reach gateway

25299

Solved

inside

Advisor

25200

Virtual Standby member cannot reach internal DNS or Internet

25200

inside

Explorer

25199

TCP Packet out of state, First Packet is not syn

25199

inside

Collaborator

25000

Problem with VPN traffic and Nated IPs

25000

Solved

inside

Contributor

24598

Informational Exchange Received Delete IKE-SA from Peer: xx.xx.xx.xx

24598

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Advisor

24499

Identity sharing - how to change modes

24499

Solved

inside

Contributor

24499

Need CLI Command to see Interfaces and Associated IP Information

24499

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Explorer

24400

Identity Awareness using Azure AD

24400

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Advisor

24300

HTTPS Certificate validation - SK159872

24300

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24300

Bandwidth Utilization Report for interface (smartview monitor or diagnosticsview)

24300

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Admin

24099

HTTPS Inspection Best Practices TechTalk: Video, Slides, and Q&A

24099

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23899

cphaprob status showing down cause by routed

23899

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23799

AW keeps deleting Dameware Service

23699

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Contributor

23699

How to block traffic coming from known malicious IP addresses R81.10

23699

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Contributor

23599

Checkpoint gateway Memory Usage

23599

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Participant

23500

WMI Permission denied - From this months Windows Update

23099

Solved

inside

Contributor

23095

Wrong peer gateway for decrypted packet (VPN Error code 01)

23095

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Advisor

22999

CPview and Top-connections in R80.20

22899

Solved

inside

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22898

Troubleshooting dropped packets in Checkpoint using zdebug

22898

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Explorer

22800

Installing VSX on on VMware ESXi

22800

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22799

Blocking malicious IP addresses (sk103154) in VSX

22699

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22640

Allow file download and block file upload with wetransfer

22600

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22600

Firewall HA status (health check)

22600

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Employee

22418

Lightboard Series: High Availability Architecture with R80.10

22418

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22299

IN /VAR/LOG/messages keep getting Stopping CUL mode

22299

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22099

Displaying transceiver properties

21999

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21899

R80.20 EA for Gateway with Linux 3.10 Kernel Coming Soon

21499

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21401

F5 BIG-IP ICAP and SandBlast (TEX)

21399

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21300

Not substituted certificate in browser Https Inspection

21300

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21299

Many TCP First-Packet-isn't-SYN drops after upgrade to R81.10

21199

Solved

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Participant

21199

Why CP drops RST-ACK packets from client?

21199

inside

MVP Gold

21100

Performance issue: High pdpd load after R80.20 upgrade - identity agents can't connect

21100

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21000

Notify when certificate expired

21000

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20999

Cluster XL - Failover due to Fullsync PNOTE ON

20900

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20801

Checkpoint device does not establish VPN tunnel

20801

Solved

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Contributor

20800

Top connections fw tab -u -t connections | awk '{ print $2 }' | sort -n | uniq -c | sort -nr | head

20800

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20698

Restricting Remote Access by IPv4 Address

20698

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Champion

20636

Policy installation failures with Error code: 0-2000183-27

20636

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Contributor

20599

Is there SNI support for inbound HTTPS inspection in R80.20?

20599

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Contributor

20399

VSX cluster problem - are we alone?

20399

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20299

Gaia r80.10 tag vlan 1 and native vlan

20299

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20299

Terrible performance IPHTTPS - Checkpoint SG 15600

20299

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20298

SSL Certificate Cannot Be Trusted (vulnerability)

20298

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Admin

20100

How do I verify Threat Emulation is working?

20100

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Advisor

20099

Checkpoint to Azure Route based - guide

20099

Solved

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MVP Gold

19899

BGP over VPN between Azure.docx

19899

inside

Participant

19799

Password hashes, sha512 and the expert password

19799

Solved

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Advisor

19720

When will checkpoint support the Load Sharing mode in either R80.20 and R80.30?

19499

Solved

inside

Advisor

19499

Identity Collector: ISE and AD continually over-writing each other on the PDP

19199

Solved

inside

Participant

19199

Troubleshooting performance issues

19199

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inside

MVP Gold

19100

VPN Check Point - Palo Alto issue

19100

inside

Participant

19099

Connectivity issues from standby gateway after R80.10 -> R80.30 upgrade

18999

Solved

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Explorer

18999

Firewall rule for any tcp and udp port

18999

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Contributor

18999

Automatic Configuration of Appliance on boot

18999

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Contributor

18999

Block WhatsApp Uploads/Downloads

18999

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18840

How to disable TLS1.0&TLS1.1 on Gaia Portal in R80.20

18799

inside

Participant

18799

Checkpoint Advanced OSPF Capability

18799

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Advisor

18799

Understanding Threat Emulation logs

18699

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Collaborator

18699

High cpu utilization on RAD Process

18699

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18599

R80.20 - R80.40 Performance Issues due to incorrect Selective Acknowledgements (SACKs)

18599

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Participant

18599

Test bandwidth/speed from Gaia

18599

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18599

Snapshot vs Backup - what's the difference?

18599

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18598

URL Filtering Troubleshooting Help

18598

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Admin

18519

Check Point Threat Prevention Packet Flow and Architecture

18519

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18499

Uploading file works on cloud but not local gateway

18499

inside

Admin

18499

CPview and DiagnosticsView TechTalk: Video, Q&A, and Slides

18499

Solved

inside

Contributor

18399

SecureXL DoS Rate Limiting (samp rules)

18399

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inside

Collaborator

18399

VSX: show configuration For All Virtual Systems

18399

inside

Participant

18199

'TCP packet out of state' drops

18199

inside

Employee Alumnus

18199

Using SNMP with SandBlast Network

18199

Solved

inside

MVP Gold

18199

HTTPS inspection certificate question

18199

Solved

inside

Participant

18199

Migrating cluster from old to new hardware

18199

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Collaborator

18100

High Cpu utilization - Internet Speed drops to very low level

18100

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inside

Contributor

18099

Difference between clean install and upgrade via CPUSE

18099

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18099

'No valid licens found on server' even though I've attached licens and contracts

18099

Solved

inside

Participant

18088

How to Renew Certificate on Security Gateway.

17999

inside

Explorer

17800

HTTPS Weak Ciphers and other vulnerabilities

17800

inside

Contributor

17800

Site to Site Route Based VPN in Checkpoint

17800

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Contributor

17799

Site to Site VPN (policy based) and routing behavior

17799

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Participant

17699

Disable TLS/SSL support for static key cipher suites

17699

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MVP Gold

17699

USFW enablement not clear (SK needed)

17650

Solved

inside

Advisor

17599

Identity Collector Exclusion List

17599

inside

Collaborator

17599

Grafana and Prometheus for monitoring Check Point firewalls

17599

Solved

inside

Participant

17599

Apple services not working with HTTPS inspection

17599

inside

Contributor

17499

BGP Routes showing Hide and in active

17499

inside

Contributor

17400

Log for IPS but with a Drop rule for exact source IP

315

inside

Participant

174

communication between mplane and dplane is not working

174

inside

Admin

731

PSA: Check Point and Palo Alto - GCM Phase 1

2149

inside

Participant

264

Failed to Build a Cluster Interface OSPF

264

Solved

inside

MVP Gold

1257

Warning! Firewall / SecureXL / HyperFlow boot configuration was not completed correctly

1257

inside

Explorer

228

Guidance Needed: R82 T34 ClusterXL Bridge Mode Causing Loops & Crashes

228

inside

Contributor

713

Delay when visiting sites hosted at Cloudflare

713

inside

Contributor

1763

The URL list inside the Custom Application/Site object is not being applied.

1763

inside

Collaborator

249

Export / Import Configuration of existing GWs to new appliances

249

inside

MVP Gold

2729

Route based VPN tunnel to Azure

2729

Solved

inside

MVP Gold

386

Inbound HTTPS inspection and Qualys SSL Labs results

302

inside

Participant

414

Multiple Users in Source User Name

414

inside

Admin

313

APAC Deep Dive Troubleshooting 101 September 2025 Video and Slides

313

Solved

inside

Explorer

1349

Is it possible to change the temp directory cpinfo uses for generation?

1349

Solved

inside

Participant

580

Port 80, 443, 500 and 18264 are open on external interfaces, how to block it?

580

Solved

inside

Explorer

299

HTTPS CERTIFICATE WITH AZURE AD

299

inside

Admin

1122

EMEA Deep Dive: Web Filtering Best Practices August 2025

1122

Solved

inside

Contributor

272

Message seen on /var/log/messages - "simi_reorder_enqueue_packet"

33020

Solved

inside

Collaborator

386

Detected Sweep Scan originating from source: internal server - destination: empty

302

inside

Participant

351

TIL: no impact when changing physical port in Virtual Switch in a VSX Environment

351

Solved

inside

Participant

630

Not able to install latest Take

630

Solved

inside

MVP Gold

394

Any idea when it will be possible to configure routemaps via web UI?

394

Solved

inside

Advisor

398

R82 Gateway - Public Interface - Extender.html

398

inside

Participant

710

IPSec VPN redundancy is not working using MEP

710

inside

Explorer

346

Question about Sync Interface Routing in Check Point Cluster

346

Solved

inside

Contributor

375

VPN SITE TO SITE CHECKPOINT VSX ROUTE BASED

3015

Solved

inside

Participant

3584

ISP redundancy and DNS records for Web Servers in DMZ

3584

Solved

inside

Advisor

6200

BGP peer Throught IPSEC tunnel

6200

inside

MVP Gold

235

Tip for case where adding so many wildcards/fqdns does not work in the policy

235

Solved

inside

MVP Gold

422

VSX as Web proxy using IP different from the interface

1085

inside

MVP Silver

805

Debugging IKE/Tunnel establishment on VSX R81.20.

3792

Solved

inside

MVP Gold

839

ClusterXL - moving to newer appliances

578

inside

Employee

504

NIAP Common Criteria cPP for R81.20 on the Product Compliant List

504

inside

Collaborator

170

Change cluster interface to private and required interfaces count didn't change

170

inside

Explorer

359

BGP sessions under the same VLAN

359

inside

MVP Silver

751

DNS traffic in DETECT mode in VSX

751

inside

Admin

768

Identity Awareness Deep Dive August 2025: Video and Slides

768

Solved

inside

Collaborator

2004

AD Quary to Identity collector

2004

Solved

inside

Contributor

1505

Packet timeout with unknown reason in Quantum Force 9100 only

1505

inside

MVP Silver

267

Possible attacks in a VSX environment

267

Solved

inside

Explorer

311

UserCheck not using provided certificate - MultiPortal configuration?

461

Solved

inside

Collaborator

410

Management Server Traffic Hits the Implied Rules

410

Solved

inside

Collaborator

445

ClusterXL – Changing MGMT and eth2 from 1Gb to 10Gb

445

Solved

inside

Explorer

744

Upgrade R81.10 Cluster to R82 issues

744

Solved

inside

Participant

16117

Default State table Timers on Checkpoint?

16117

Solved

inside

Participant

402

CPNotEnoughDataForRuleMatch first possible match is Cleanup Rule and is allowing traffic the Cleanup

402

Solved

inside

Explorer

289

Connect single quantum gateway to redundant core switches

215

inside

MVP Silver

928

Load Balancing on Quantum Spark 1800 SMB

2765

Solved

inside

Participant

193

enabling MDPS on 3600 or 3900 devices works as expected ?

193

Solved

inside

Collaborator

919

Traffic logs show drop message "IP routing failed (ipin routing failure)"

11089

inside

Contributor

250

Anti-Spoofing on VTI interfaces

250

Solved

inside

MVP Silver

292

Alert in VS from the SmartConsole

292

Solved

inside

Advisor

311

FTW using ElasticXL cause a fatal error

311

inside

Collaborator

570

VSNext and Mobile Access issue

570

inside

MVP Gold

613

changing platform portal port on VSNext

613

Solved

inside

Explorer

530

Cluster active member lost R81.20 Take 98

530

inside

Contributor

4795

Child SA exchange: Sending notification to peer: Traffic selectors unacceptable

4795

inside

Contributor

257

Port TCP 264 displays hostname and domain name in the port scan.

257

inside

MVP Silver

720

Unusual higher that average CPU

3327

inside

Advisor

1081

Installing Hotfix on R82 ElasticXL

755

Solved

inside

Advisor

709

What are the 2550, 2570, 2590 and 2680 appliances

709

inside

Advisor

348

Block WhatsApp Uploads/Downloads

19036

inside

Contributor

165

MAB portal File Share App web-interface customization

165

inside

Advisor

186

SSL Inbound Inspection on IMAPS

186

inside

MVP Silver CHKP

3235

R81.20 JHF41 TCP Handshake counter fills up

3235

inside

Participant

503

Auditing File Uploads (with view to block using Application Rule)

503

Solved

inside

Advisor

555

Log viewer Resolve (IP) is always checked/enabled by default.

607

inside

Contributor

676

AppControl/URLF - Rules and classification

676

Solved

inside

MVP Gold

6553

How to view cpview history file on other machine

6553

inside

MVP Gold

16079

Assistance Required: Issue with UDP Port 5060 Packet Drop

1058

Solved

inside

Explorer

257

How to change path in a Scheduled system backup?

257

inside

MVP Silver

588

Checkpoint Identity collector - gateway certificate untrusted

2423

inside

Contributor

657

Anti-Spoofing on Internet (External) Interface?

657

inside

MVP Gold

7033

Sharing Threat Emulation Appliance Between Two Security Gateways

530

Solved

inside

Contributor

1498

Ordered Layers vs In-Line Layers

1498

inside

Contributor

461

Replace a cluster of 15400 appliance by a cluster of 9700 appliance

311

Solved

inside

Explorer

247

AAAA (IPv6) DNS requests control

247

Solved

inside

Explorer

6087

Nat rule over tunnel/community

6087

inside

Participant

159

MEP VPN Gateway: force specific client to connect to backup gateway

159

inside

Contributor

12907

Phase 2 Site-to-site VPN error

12907

inside

MVP Silver CHKP

756

New MCP Signature Now Available in Application Control

756

Solved

inside

Explorer

198

R81.20 snapshot size more than doubled as compared to R80.40

198

inside

MVP Silver

4054

First time wizard stucks at 90% R80.40

4054

Solved

inside

Advisor

1438

ElasticXL Traffic Distribution question

1438

Solved

inside

Explorer

900

Different DNS server per Domain R81.20

900

inside

Collaborator

378

BGP Graceful Restart in HA cluster in Azure

378

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Security Gateways

Have questions about Security Gateway Appliances, Gaia OS, CoreXL, SecureXL, ClusterXL, VSX, and Next Generation Firewall features? This is where to ask them! This also includes legacy operating systems like SecurePlatform, IPSO, or XOS.

For Small Business Security appliances (600/700/1200R/1400/1500/1600/1800), see the SMB Appliances and SMP space.

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