Problem with PF

[Pat Maddox]

FreeBSD 5.3-RELEASE-p5.  I'm not sure how to check the pf version.

I just started getting this error a couple days ago, and I've got
absolutely no clue why.  I don't recall making any significant changes
to the box.  Anyway, here's pf.conf:

# ------- pf.conf skeleton for server
#
# --------------- MACRO Section  -----------------

EXT_IF="fxp0"

PING = "echoreq"

# --- allowed incoming services initiated by clients

TCP_IN = "{ ssh, smtp, ftp, imap, http, 5001, 5002, 5003, 5004, 5005 }"
UDP_IN = "{ domain }"

# --- allowed services initiated by server

TCP_OUT = "{ ssh, smtp, ftp, http, ntp, 5999 }"
UDP_OUT = "{ domain, ntp }"

# ------------------ TABLE Section --------------

# ------------------ OPTIONS Section
set loginterface $EXT_IF

# --------- TRAFFIC NORMALIZATION ----------------
scrub in all
# ---------- TRANSLATION Section (NAT/RDR)

# ---------- FILTER section

# --- DEFAULT POLICY
block log all

# --- LOOPBACK
pass quick on lo0 all

# ======================= INCOMING ================
# ----------- EXTERNAL INTERFACE

# --- TCP
pass in quick on $EXT_IF inet proto tcp from any to $EXT_IF port
$TCP_IN flags S/SA keep state

# --- UDP
pass in quick on $EXT_IF inet proto udp from any to $EXT_IF port
$UDP_IN keep state

# --- ICMP
pass in quick on $EXT_IF inet proto icmp from any to $EXT_IF icmp-type
$PING keep state

# ======================= OUTGOING ================
# ----------- EXTERNAL INTERFACE

# --- TCP
pass out quick on $EXT_IF inet proto tcp from $EXT_IF to any port
$TCP_OUT flags S/SA  keep state

# --- UDP
pass out quick on $EXT_IF inet proto udp from $EXT_IF to any port
$UDP_OUT keep state

# --- ICMP
pass out quick on $EXT_IF inet proto icmp from $EXT_IF to any
icmp-type $PING keep state

# ----------------- end of pf.conf


On Thu, 31 Mar 2005 12:31:13 +0200, Peter N. M. Hansteen
<peter at bgnett.no> wrote:
> Pat Maddox <pergesu at gmail.com> writes:
> 
> > I'm trying to set up PF on a server, and when I run pfctl -nf
> > /etc/pf.conf, I get the following error:
> > pfctl: ifa_load: pfi_get_ifaces: Bad file descriptor
> 
> More info is required.
> 
> Which FreeBSD and PF versions (not all permutations of pf and FreeBSD
> will work, see the handbook), pf relevant rc.conf lines, your pf.conf,
> ifconfig output
> 
> > Google doesn't come up with anything, I've got no clue what that is.  Any help?
> 
> Check your ruleset for obvious errors, such as trying to address a
> non-existent interface. Then again, this is guesswork based on very
> little information.
> 
> --
> Peter N. M. Hansteen, member of the first RFC 1149 implementation team
> http://www.blug.linux.no/rfc1149/ http://www.datadok.no/ http://www.nuug.no/
> "First, we kill all the spammers" The Usenet Bard, "Twice-forwarded tales"
> 
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