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Date:      Thu, 23 Nov 2000 01:24:14 -0500
From:      Mark Sturge <techie-guy@home.com>
To:        freebsd-stable@FreeBSD.ORG
Subject:   "timeout" Errors
Message-ID:  <3A1CB80E.137C90F6@home.com>

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[-- Attachment #1 --]
I recently installed 4.1.1-RELEASE.  Then I installed some apps just to
get the system functional and soon after cvsup'd to 4.2-STABLE and built
my custom kernel.  After doing so, I started to notice that I would get
alot of "timeout" errors when trying to fetch ports or connect to irc
and mirabillis servers.  In an attempt to troubleshoot the problem, I
first booted the system from kernel.GENERIC.  At this point my problems
went away.  That lead me to believe that my custom kernel was flawed.  I
recompiled without any type of firewall support, (ie. IPFILTER) but that
didn't solve the problem either.  On a hunch, I thought I'd recompile
the GENERIC kernel with 4.2-STABLE source.  I figured if 4.1.1-RELEASE
GENERIC kernel wasn't giving me any problems, GENERIC from 4.2-STABLE
wouldn't either.  I was wrong.  I'm still running into the same
problems.  The one thing I did include in my kernel was Berkley Packet
Filter, so I could nmap myself.  After doing so, namp tells me my ports
are 'filtered'.  This is leaving me a bit baffled.  Is ipfw the
culprit?  It is in the base system, but I don't know how it could be
functional if I don't even have support for IPFILTER as of yet in my
custom kernel.

nmap results using simple port scan:

The TCP connect scan took 170 seconds to scan 1523 ports.
All 1523 scanned ports on MY_HOST_NAME (MY_IP_ADDRESS) are: filtered
Nmap run completed -- 1 IP address (1 host up) scanned in 171 seconds

I've also attached my most recent kernel config file if that may help.

Some advice as to where to look next would indeed be helpful.

Regards,

Mark

--
Mark Sturge
techie-guy@home.com
London, ON Canada
[-- Attachment #2 --]
# /usr/src/sys/i386/conf/MEZZAMORPHIS

machine		i386
cpu		I586_CPU
ident		MEZZAMORPHIS
maxusers	64

options 	INET			#InterNETworking
options 	FFS			#Berkeley Fast Filesystem
options 	FFS_ROOT		#FFS usable as root device [keep this!]
options         SOFTUPDATES             #Enable FFS soft updates support
options 	MSDOSFS			#MSDOS Filesystem
options 	CD9660			#ISO 9660 Filesystem
options 	CD9660_ROOT		#CD-ROM usable as root, CD9660 required
options 	PROCFS			#Process filesystem
options 	COMPAT_43		#Compatible with BSD 4.3 [KEEP THIS!]
#options 	SCSI_DELAY=15000	#Delay (in ms) before probing SCSI
options 	UCONSOLE		#Allow users to grab the console
options 	USERCONFIG		#boot -c editor
options 	VISUAL_USERCONFIG	#visual boot -c editor
options 	KTRACE			#ktrace(1) support
options 	P1003_1B		#Posix P1003_1B real-time extensions
options 	_KPOSIX_PRIORITY_SCHEDULING
options		_KPOSIX_VERSION=199309L
options		ICMP_BANDLIM		#Rate limit bad replies
#options	IPFILTER		#ipfilter support
#options	IPFILTER_LOG		#ipfilter logging
options		IPSEC			#IP security (OpenSSL)
options		IPSEC_ESP		#IP security (crypto; define w/IPSEC)
options		PQ_HUGECACHE		#Color for 1024k/16k cache
options         PANIC_REBOOT_WAIT_TIME=60
options		DDB			#Enable the kernel debugger
options		DDB_UNATTENDED		#Don't drop too DBB for a panic
options         PMAP_SHPGPERPROC=400
options		MAXCONS=16		#Maximum number of virtual terminals
options         MAXDSIZ=(128*1024*1024)
options         DFLDSIZ=(128*1024*1024)
options         AUTO_EOI_1
options		TCP_DROP_SYNFIN

# slot architecture support
device		isa
device		pci

# floppy drives
device		fdc0	at isa? port IO_FD1 irq 6 drq 2
device		fd0	at fdc0 drive 0

# ATA and ATAPI devices
device		ata0	at isa? port IO_WD1 irq 14
device		ata1	at isa? port IO_WD2 irq 15
device		ata
device		atadisk			# ATA disk drives
device		atapicd			# ATAPI CDROM drives
options 	ATA_STATIC_ID		# Static device numbering
options 	ATA_ENABLE_ATAPI_DMA	# Enable DMA on ATAPI devices

# SCSI peripherals (parallel port Zip Drive)
device		scbus		# SCSI bus (required)
device		da		# Direct Access (disks)

# atkbdc0 controls both the keyboard and the PS/2 mouse
device		atkbdc0	at isa? port IO_KBD
device		atkbd0	at atkbdc? irq 1 flags 0x1
device		vga0	at isa?

# splash screen/screen saver
pseudo-device	splash

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa? flags 0x100

# Floating point support - do not disable.
device		npx0	at nexus? port IO_NPX irq 13

# Power management support (see LINT for more options)
device		apm0    at nexus? disable flags 0x20 # Advanced Power Management

# Serial (COM) ports
device		sio0	at isa? port IO_COM1 flags 0x10 irq 4
device		sio1	at isa? port IO_COM2 flags 0x10 irq 3

# Parallel port
device		ppc0	at isa? irq 7
device		ppbus		# Parallel port bus (required)
device		lpt		# Printer
device		ppi		# Parallel port interface device
device		vpo		# Requires scbus and da

# PCI Ethernet NIC
device		de		# DEC/Intel DC21x4x (``Tulip'')

# Creative Labs AWE64 Soundblaster
device		pcm
device		sbc
device		joy

# Pseudo devices - the number indicates how many units to allocated.
pseudo-device	loop		# Network loopback
pseudo-device	ether		# Ethernet support
pseudo-device	pty		# Pseudo-ttys (telnet etc)
pseudo-device	bpf		# Berkeley packet filter
pseudo-device	speaker

# Keep XFree86 4.x happy
options         SYSVSHM                 #SYSV-style shared memory
options         SYSVMSG                 #SYSV-style message queues
options         SYSVSEM                 #SYSV-style semaphores

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