telnetd, kernel params, creating device files

[Doug_3]

Hello admins!

We are reaching the max telnet files avail for users and ocassionally getting connection errors and device file missing syslog msgs. I understand I need to modify the kernel and create additional device files to match the kernel param nstrtel.

Q: Do I need to increase the nstrpty and npty params inaddition to the nstrtel? All are set to the defaul of 60.

Q 2: What specific files do I create in /dev and when I look at the insf man pages it appears I use the insf -n or insf -s switches...correct? If so what is the insf -d device switch used for? (someone posted a previous response to a similar questin saying you can use SAM to create the device files, but I must be blind because I couldn't see where in SAM you can do this).

tia,

Doug

[Patrick Wallek · Accepted solution]

Try this link in the technical knowledge base:

http://us-support2.external.hp.com/cki/bin/doc.pl/sid=43c863d61903c7d024/screen=ckiDisplayDocument?docId=400000000202094

[James R. Ferguson]

Doug:

Document #A5733141 gives the following procedure for you:

1. insf -d pty -n 400 (for ptym and ptys pseudo drivers)

2. cd /stand

3. Execute the following commands:
insf -evd tlclts
insf -evd tlcotsod
insf -evd tlcots
insf -d tels
insf -d telm

4. Edit the system file to contain the following parameters:

npty 400
nstrpty 400

5. Execute the following command to build a new kernel:

mk_kernel -s system

6. Execute the following commands when you reboot the system:

mv /stand/vmunix /stand/vmunix_prev
cp /stand/vmunix_test /stand/vmunix

7. Install the following telnet patches:

PHNE_14957 telnetd(1M):cumulative:
PHNE_16546 panic:telnet:kernel:cumulative:
PHNE_18075 streams:cumulative:
PHNE_18554 XPORT:ARPA:Transport:
PHCO_18302 mksf(1M):lssf(1M):insf(1M):rmsf(1M
PHNE_14820 telnet:opost:flag:authentication:
PHNE_14976 UTF8:STREAMS:PTY:line:discipline:support

The patches are for 11.0. As always, check for superceded ones.

...JRF...