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SRX and storage devices on SRX

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Hi everyone.

 

Please consider the following output:

 

DELETE-ME.PNG

 

Flash Drive:

Denoted by da0, but i do not see any " Slice" on the fash Drive?  Am i correct and missing something?

Hard drive:

seems like usb0 being used to denote hard drive ( because of the well known HDD vendor)

 

1) What are slices in Juniper File system? Based on some goodle search,  it looks like   Disk space is divided in " Slices" then each slice is further devided into Partitions. 

 

 

Thanks and have a nice  evening!!

 

 

 


Code notes, cli, jweb, syntax, how?

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Much like Java, or even Java script, and others like c++, etc, etc, there is a way to place notes after or before lines of code. How is this done in the jweb interface? Im sure there is a topic and documentation but I can't find it. What is the syntax? Header/footer, end of line, beggining of line, etc, etc ?

Restricting access policy assistance

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I think this will be relatively simple to achieve, but I can't get over the final hurdle:-

 

I have a site (A) connected via VPN. At the moment 'inter-site' traffic i.e. between me, the site in question and any other connected sites is allowed. However, I wish this remote site to only be able to access the internet (locally connected via the SRX) and not the wider internal network (for security reasons), but I need to maintain 'admin' of this site from my location. We use OSPF for routing. I think the solution is to leave OSPF alone and configure a local firewall rule(s) of some sort on the remote SRX or perhaps apply a filter?!

 

Any thoughts?

IPS Subscription

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Some quick fire quesitons to earn some Kudos Smiley Happy

 

Is there a way to see what time is left for a 1 year subscription for IPS on an SRX1500?

 

Are subscriptions purchased on a "per year" basis or longer? In other words, once the subscription time has passed, will the IPS cease functioning?

Vlan mtu, and ipv6 mtu.

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I have noticed that when you set up your vlan interface , a default mtu is set. Vlan mtu equals 9192. When I added ipv6 addressing I think I set it to 9174. Must have been default, I don't remember. Is it better to match these two numbers? What are the implications of setting them the same as oppossed to a little different like they currently are?

SSL VPN with Pulse Client on SRX3XX

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Hello Guys,

 

I need your advise. I want to implement SSL VPN on SRX3XX.

I understand it requires NCP Exclusive Remote Access Client.

But I want to know, can I use Pulse Secure Client for the SSL VPN ?

 

Thanks.

Route based and policy based VPN over same vSRX devices

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Hello

I am quite new to FW and after I've learned some basics about JunOS and SRX I am trying to configure some VPNs.

For the moment using this route based VPN KB i have managed to bring up the VPN between LAN10 host and LAN50 host, next i want to configure a policy based VPN between LAN60 host and LAN20 host following this policy based VPN KB.

If can you advise me on how to approach this because right now for me policy VPN is quite messy Smiley Happy.

I am working in EVE-NG with virtual devices.

 Edit: dunno why i cannot upload picture, so here is my topology

Thank you.

ALG Settings and Screen Options

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1. I have been advised to disable all ALG setttings for performance reasons, is this wise? Most them don't ring a bell, but surely I need the DNS ALG? We also use RTSP streams, so should I keep this on? If I disable it, what will the impact be?

 

2. With regard to Screen Options are there any recommendations or best practices around what to set and their respective values?


Issue(s) with dial-in dynamic VPN clients

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1. My main issue is, when connected via our dial-in VPN client (NCP Secure Entry Client) I cannot connect to the LAN interface of the SRX340 which handles these connections. I can ping it, but can't gain https access, which I can when connecting via the LAN. The LAN interface is 192.168.1.254. The VPN clients receive 10.0.0.0/24 addresses.  I can access other resources on the .1 subnet, just not the SRX340.

 

2. An odd issue, which I doubt will be readily solved, is that it can take numerous attempts over a period of time to establish a dial-in connection. The log on the NCP client simply states that the gateway did not respond..... Not sure where to start with this one.

Downgrading an SRX320 from JUNOS Software Release: 15.1X49-D70.3. Legacy DHCPD incompatibilities.

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Is it possible to downgrade an SRX320 from JUNOS Software Release: 15.1X49-D70.3 to a previous code? If so, are there any previous versions supported on an SRX320?


I am having issues inserting dhcp pools with version 15.1X49-D70.3 and read that versions 15.1X49-D60 and Junos OS Release 17.3R1 onwards does not support legacy DHCPD (DHCP daemon) configuration.

 

I am wanting to insert dhcp pool statements "set system services dhcp pool x.x.x.x/x name-server x.x.x.x" but receiving the below error error messages:

 

[edit system services dhcp-local-server]
'group'
Incompatible with the dhcp server configured under 'system services dhcp'
[edit system services dhcp-local-server]
'group'
Incompatible with the dhcp server configured under 'system services dhcp'
[edit system services]
'dhcp'
Incompatible with 'system services dhcp-local-server group'
error: commit failed: (statements constraint check failed)

 

https://www.juniper.net/documentation/en_US/junos/topics/example/security-device-dhcp-server-configuring.html

Lab connect SRX-1500 to ex4600

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Hello 

 

I am testing the clustering feature on a SRX1500 by connecting it a Virtual chassis EX4600. However, i cannot obtain basic ip connectivity between the reth0.0 to the AE0. 

 

 

Thank you for taking the time to check. Any ideas? 

 

problem by update SRX IDP and APP

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i want update my idp but i have a error

all command have this problem

 

root@FW01# run request security idp security-package download status
error: the idp-policy subsystem is not responding to management requests

 

i have same problem in 2 firewall , i dont have any firewall filter on my loopback interface

please help me or resolve this problem ?

 

 

 

thnaks

SRX-internet loadbalance and source base routing

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Dear All,

Please let me know ,i configured my SRX 340 with dual loadbalance for two ISP link.It is round robin .

I would like to know i want the one of my local network vlan 5 to go throught ISP 1 only. The others networks are still using loadbalance function (round robin with two ISP) .Can i conbined the source base policy routing and dual loadbalancing ?

How can i solve this saturation ? which funcition do i need to use ?

SRX with multiple ISP and different public IP subnets

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We have the SRX320 device and several Internet providers connected to it.

 

Inked20180906_141400_orn-printer-01_000292-1_LI.jpg

 

Interfaces ge-0/0/0 and ge-0/0/1 actually connected to one provider “ISP-1”. Two different links used because contract with two different organizations. ISP-1 in each link provides multiple public IP addresses from different subnets. Each subnet uses its own gateway. ISP-1 uses same subnets in the both links. These subnets are marked blue and yellow markers on the scheme.

 

Interface ge-0/0/2 connected to the second provider “ISP-2”. This is a backup channel with only one public IP address. It marked green marker on the scheme.

 

What do we want?

 

  1. Use all IP addresses provided by ISP-1 for source NAT used for Internet access. The ability to use any of that IP addresses as external by firewall filters. Additionally load balance traffic to the both channels, if possible.
  2. Use all IP addresses provided by ISP-1 for destination NATs used to access to a trusted intranet resources from the Internet. Ability to use any of that IP addresses as destination IP.
  3. Use ISP-2 only as backup channel to the Internet with automatic failover and fallback.

Please tell me is it possible to configure all above on the SRX device? How can I do this using the minimum number of routing instances?

SRX Cluster Console Ping No route to host

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I have weird communication issue on an SRX1500 cluster running Junos 18.1R2.5. From the console I cannot ping anything through my public interface such as 8.8.8.8. All other communication is working. I am able to ping,ssh to the ip address assigned to my untrust interface. Any traffic from the trust zone to untrust works as intended.

 

There is a virtual routing instance to split up mgmt interface routing and everything else because the mgmt interface is configured in the same subnet as a sub interface in another zone. 

 

If I just issue the ping command to my gateway, it says "ping: sendto: No route to host"
If I issue the command  "ping bypass-routing interface reth0.0 address" I can ping the gateway

 

config below:

 

user@srx1500cluster-0> show configuration interfaces 
ge-0/0/0 {
    description "WAN Uplink pair 1 of 2 - partner ge-7/0/0";
    gigether-options {
        redundant-parent reth0;
    }
}

xe-0/0/17 {
    description "Trust Interfaces Uplink pair 1 of 2 - partner xe-7/0/17";
    gigether-options {
        redundant-parent reth1;
    }
}

ge-7/0/0 {
    description "WAN Uplink pair 2 of 2 - partner ge-0/0/0";
    gigether-options {
        redundant-parent reth0;
    }
}

xe-7/0/17 {
    description "Trust Interfaces Uplink pair 2 of 2 - partner xe-0/0/17";
    gigether-options {
        redundant-parent reth1;
    }
}

fab0 {
    fabric-options {
        member-interfaces {
            xe-0/0/18;
            xe-0/0/19;
        }
    }
}
fab1 {
    fabric-options {
        member-interfaces {
            xe-7/0/18;
            xe-7/0/19;
        }
    }
}
fxp0 {
    unit 0 {
        family inet {
            address 10.2.48.10/24 {
                master-only;
            }
        }
    }
}

reth0 {
    description "WAN Uplink - ge-0/0/0 & ge-7/0/0";
    redundant-ether-options {
        redundancy-group 1;
    }
    unit 0 {
        family inet {
            address 1.1.1.1/25;
        }
    }
}
reth1 {
    description "Trust Interfaces - xe-0/0/17 & xe-7/0/17";
    vlan-tagging;
    redundant-ether-options {
        redundancy-group 1;
    }
    unit 0 {                            
        disable;
        vlan-id 3967;
    }
    unit 40 {
        vlan-id 40;
        family inet {
            address 10.2.40.200/24;
        }
    }
    unit 45 {
        vlan-id 45;
        family inet {
            address 10.2.45.1/24;
        }
    }
    unit 48 {
        vlan-id 48;
        family inet {
            address 10.2.48.1/24;
        }
    }
}

user@srx1500cluster-0> show configuration routing-instances 
vr1 {
    instance-type virtual-router;
    interface reth0.0;
    interface reth1.40;
    interface reth1.45;
    routing-options {
        static {
            route 0.0.0.0/0 next-hop 1.1.1.1;
        }
    }
}
{primary:node0}
user@srx1500cluster-0> show configuration routing-options      


{primary:node0}
user@srx1500cluster-0> show configuration security zones security-zone untrust   
screen untrust-screen;
interfaces {
    reth0.0 {
        host-inbound-traffic {
            system-services {
                ping;
                https;
                ssh;
                snmp;
                netconf;
                traceroute;
            }
        }
    }
}

user@srx1500cluster-0# run show configuration chassis cluster    
control-link-recovery;
reth-count 4;
redundancy-group 0 {
    node 0 priority 100;
    node 1 priority 1;
}
redundancy-group 1 {
    node 1 priority 1;
    node 0 priority 100;
    preempt;
    interface-monitor {
        xe-0/0/17 weight 255;
        xe-7/0/17 weight 255;
        ge-0/0/0 weight 255;
        ge-7/0/0 weight 255;
    }
}
redundancy-group 2 {
    node 1 priority 100;
    node 0 priority 1;
    preempt;
    interface-monitor {
        ge-0/0/1 weight 255;
        ge-7/0/1 weight 255;
        ge-0/0/2 weight 255;
        ge-7/0/2 weight 255;
    }
}



user@srx1500cluster-0> show chassis cluster status 
Monitor Failure codes:
    CS  Cold Sync monitoring        FL  Fabric Connection monitoring
    GR  GRES monitoring             HW  Hardware monitoring
    IF  Interface monitoring        IP  IP monitoring
    LB  Loopback monitoring         MB  Mbuf monitoring
    NH  Nexthop monitoring          NP  NPC monitoring              
    SP  SPU monitoring              SM  Schedule monitoring
    CF  Config Sync monitoring      RE  Relinquish monitoring
Cluster ID: 1
Node   Priority Status               Preempt Manual   Monitor-failures

Redundancy group: 0 , Failover count: 1
node0  100      primary              no      no       None           
node1  1        secondary            no      no       None           

Redundancy group: 1 , Failover count: 1
node0  100      primary              yes     no       None           
node1  1        secondary            yes     no       None           

Redundancy group: 2 , Failover count: 2
node0  1        secondary            yes     no       None           
node1  100      primary              yes     no       None           







 

 

 

 


Block SYN packets on existing sessions

query about srx4600 - web filtering capabilities

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I am new to using L4-L7 capability in a firewall and new to junos firewall as well - so I apologize some answers are obvious

 

I could not find the answers by googling hence posting them here now

We have a pair of srx4600 on which I need to implement URL filtering Need help with below info

 

- how many max URLs can be defined manually on srx4600?
- can we bulk upload URL list manually to the firewall? how to do it?
- how to see the URLs that are present in the predefined lists on the firewall?
- can we have the firewall - fetch updates from customer defined URL in parallel with juniper site

 

Snapshot - can't

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Using about a 3 month old SRX345. When brand new I was able to make a snapshot as expected - now can't.

I see: 

ERROR: usb (/dev/da1) media missing or invalid

 

I've checked hardware - the usb flash drive is seen and correctly sized. I've tried several flash drives, including the one that worked originally. (This was 4 GB) Recently I did try a 2 GB. All of these are name-brand FD's. I've tried different formatting. I searched this forum without success. I need, hopefully, for someone to point me toward how to make the unit recognise the FD as the object to write to. This is obviously not a critical problem but a vexing one nontheless.

 

Mark

SRX Syslog

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Hi  everone,

 

On SRX  we have   Control plane logs and  Data plane logs  (Security logs)

Are  data plane logs   considered as SYSLOG?  The reason  I said  that  for  security logs  we can use  streammode,  and  send  Security logs  to  SYSLOG  Server which means data plane  logs  are also SYSLOG.

 

 

Thanks.

 

 

 

 

 

 

 

 

 

 

SRX VPN Gateway Tunnel Interface down

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Hi All,

 

I have route based IPSEC VPN deployed but the Tunnel Interface link is down.  Interface is admin up. All the config looks good not sure why the link is down. Please Suggest !

 

User performed a basic telnet test and received connection refused error. I was expecting to see Successful Phase 2 SA establishment & session initiated syslog messages but nothing. Wouldn't the initial TCP SYN packet not be encrypted and sent over to the other end for the user to get the "Connection Refused" error ? 

 

 

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