diff --git a/internet/filius_simple/rendu_filius/correction.py b/internet/filius_simple/rendu_filius/correction.py
new file mode 100644
index 0000000..d9c1bff
--- /dev/null
+++ b/internet/filius_simple/rendu_filius/correction.py
@@ -0,0 +1,199 @@
+#!/usr/bin/python
+import bs4
+from lxml import etree
+import sys
+import random
+
+def extractstring (tree, xpathstr):
+    """Dirty helper"""
+    name = tree.xpath(xpathstr)
+    return name[0].text if len(name) > 0 else ''
+types = {
+        'Ordinateur': 'Ordinateur',
+        'Portable': 'Ordinateur',
+        'Rechner': 'Ordinateur',
+        'Notebook': 'Ordinateur',
+        'Routeur': 'Routeur',
+        'Vermittlungsrechner': 'Routeur',
+        'Switch': 'Switch',
+        }
+class Knot:
+    def __init__ (self, ident, typ, name, ips, gw, dns, rip=None, dnsrecords={}):
+        """Dirty knot. netmask is fixed to /24"""
+        self.id = ident
+        self.typ = types[typ]
+        self.name = name
+        self.ips = ips
+        self.gw = gw
+        self.dns = dns
+        self.rip = rip
+        self.dnsrecords = dnsrecords
+    def __str__ (self):
+        return f"{self.typ}:{self.name}:{self.ips}"
+
+    def has_gw (self):
+        return self.gw != ''
+
+class Network:
+    def __init__ (self, filename):
+        self.filename = filename
+        self.knots = {}
+        self.wires = []
+        with open(filename, 'r') as f:
+            soup = bs4.BeautifulSoup(f , 'lxml')
+            for element in soup.findAll(class_="filius.gui.netzwerksicht.GUIKnotenItem"):
+                tree = etree.XML(str(element))
+                ident = element.attrs['id'] if 'id' in element.attrs else random.randint(0,10000)
+                self.knots[ident] = Knot(
+                    ident,
+                    extractstring(tree, '//*[@property="typ"]/string'),
+                    extractstring(tree, '//*[@property="name"]/string'),
+                    [ip.text for ip in tree.xpath('//*[@property="ip"]/string')],
+                    extractstring(tree, '//*[@property="gateway"]/string'),
+                    extractstring(tree, '//*[@property="dns"]/string'),
+                    extractstring(tree, '//*[@property="ripEnabled"]/boolean') == 'true',
+                    { s.split(' ')[0].upper():s.split(' ')[-1] for s in (extractstring(tree, '//*[@property="dateiInhalt"]/string') or '').split('\n') if s != ''},
+                )
+            for element in soup.findAll(property="kabelpanel"):
+                tree = etree.XML(str(element))
+                self.wires.append((
+                        tree.xpath('//*[@property="ziel1"]/object')[0].attrib['idref'],
+                        tree.xpath('//*[@property="ziel2"]/object')[0].attrib['idref'],
+                        ))
+
+    def same_network (self, ip1, ip2):
+        return ip1.split('.')[0:2] == ip2.split('.')[0:2]
+
+    def ips_of (self, ident):
+        return self.knots[ident].ips if ident in self.knots else []
+
+    def gw_of (self, ident):
+        return self.knots[ident].gw if ident in self.knots else None
+
+    def dns_of (self, ident):
+        return self.knots[ident].dns if ident in self.knots else None
+
+    def ident_of (self, name):
+        for k in self.knots:
+            if self.knots[k].name.upper() == name.upper():
+                return k
+        return None
+
+    def gateway_of (self, ident):
+        """Returns gws id of ident"""
+        for k in self.knots:
+            if self.knots[ident].gw in self.knots[k].ips:
+                return k
+
+    def ip_duplicates (self):
+        ips = []
+        for k in self.knots:
+            for ip in self.knots[k].ips:
+                if ip in ips:
+                    return True
+                else:
+                    ips.append(ip)
+        return False
+
+    def connected_to (self, ident):
+        """Returns a list of knot connected to ident"""
+        return [ w[(i+1)%2] for w in self.wires for i in range(2) if w[i] == ident]
+
+
+    def local_path_exists (self, ident, ip):
+        """Test if a local network path exists between ident and ip. Assuming there is no loops on a local network :D"""
+        visited = []
+        tovisit = [ident]
+
+        while len(tovisit) > 0:
+            knot = tovisit.pop()
+            visited.append(knot)
+            for k in self.connected_to(knot):
+                if ip in self.knots[k].ips:
+                    return True
+                elif k not in visited:
+                    tovisit.append(k)
+        return False
+
+    def get_routers (self):
+        return [ k for k in self.knots if self.knots[k].typ == 'Routeur' ]
+
+    def ping (self, knot, dest):
+        k = self.knots[knot]
+        # Is the destination on our local network?
+        for ip in k.ips:
+            if self.same_network(ip, dest):
+                return self.local_path_exists(knot, dest)
+        # Have we got a reachable gw?
+        if k.has_gw() and self.local_path_exists(knot, k.gw):
+            return self.local_path_exists(self.gateway_of(knot), dest)
+        return False
+
+
+def correction (filename):
+    """Returns dict criterion:mark, mark, total"""
+    res = {}
+    n = Network(filename)
+    for num, lettre in enumerate(['D', 'E', 'F']):
+        num +=1
+        ident = n.ident_of(lettre)
+        ips = n.knots[ident].ips if ident is not None else []
+        res[f'- L’ordinateur {lettre} peut pinger l’adresse IP 10.1.200.{num}'] = int(n.ping(ident, f'10.1.200.{num}')) if ident is not None else 0
+        res[f'- L’ordinateur {lettre} a une IP valide'] = int(len(ips) == 1 and ips[0].startswith('10.2.200.'))
+
+    res['- Il n’y a pas d’adresses IP en double'] = int(not n.ip_duplicates())
+
+    ident = n.ident_of('serveur')
+    ips = n.knots[ident].ips if ident is not None else []
+    res[f'- Le serveur a une adresse IP valide'] = int(len(ips) == 1 and not ips[0].startswith('10.1.200.') and not ips[0].startswith('10.2.200.'))
+
+    routers = n.get_routers()
+    ips_routers = n.knots[routers[0]].ips if len(routers) == 1 else []
+    if ips_routers == []:
+        print(routers, file=sys.stderr)
+    for k in n.knots:
+        print(n.knots[k], file=sys.stderr)
+    res[f'- Le routeur a l’adresse IP 10.1.200.254'] = int('10.1.200.254' in ips_routers)
+    res[f'- Le routeur a l’adresse IP 10.2.200.254'] = int('10.2.200.254' in ips_routers)
+    ip_router = ''
+    for ip in ips_routers:
+        if not ip.startswith('10.2.200.') and not ip.startswith('10.1.200.'):
+            ip_router = ip
+            break
+    res['- Le routeur a une adresse IP vers le serveur'] = int(ip_router != '')
+    res['- Le routage est activé'] = int(n.knots[routers[0]].rip) if len(routers) == 1 else 0
+
+    res['- Le routeur et le serveur ont des adresses IP avec la même partie réseau'] = int(ip_router.startswith('.'.join(ips[0].split('.')[0:2]))) if len(ips) == 1 else 0
+
+    for num, lettre in enumerate(['A', 'B', 'C']):
+        num +=1
+        ident = n.ident_of(lettre)
+        res[f'- L’ordinateur {lettre} a l’adresse IP 10.1.200.{num}'] = int(f'10.1.200.{num}' in n.ips_of(ident))
+        res[f'- L’ordinateur {lettre} a la passerelle 10.1.200.254'] = int('10.1.200.254' == n.gw_of(ident))
+        res[f'- L’ordinateur {lettre} a le serveur DNS configuré'] = int(ips[0] == n.dns_of(ident)) if len(ips) == 1 else 0
+
+
+    found = False
+    for k in n.knots:
+        if n.knots[k].dnsrecords != '' and 'A.' in n.knots[k].dnsrecords and n.knots[k].dnsrecords['A.'] == '10.1.200.1':
+            found = True
+            break
+    res[f'- Le nom DNS A se traduit par l’adresse IP 10.1.200.1'] = int(found)
+
+
+
+
+    return res, sum(res.values()), len(res) # Assuming all questions are worth 1 points
+
+if __name__ == '__main__':
+    if len(sys.argv) != 2:
+        print(f'Usage:\n {sys.argv[0]} <konfiguration.xml>')
+        exit(1)
+    res, note, total = correction(sys.argv[1])
+    for line in res:
+        print(line, ' — ', res[line])
+    print()
+    print(f'Total : {note}/{total}')
+
+# TODO critères suivants
+# quelques traductions DNS
diff --git a/internet/filius_simple/rendu_filius/correction.sh b/internet/filius_simple/rendu_filius/correction.sh
new file mode 100755
index 0000000..dff119d
--- /dev/null
+++ b/internet/filius_simple/rendu_filius/correction.sh
@@ -0,0 +1,45 @@
+
+tmp="$(mktemp)"
+
+. venv/bin/activate
+
+function evaluate () {
+	t="$(mktemp)"
+	echo "# TP réseau sur filius"
+	echo "# Correction $1"
+	unzip -p "$1" projekt/konfiguration.xml > "$t"
+	python3 correction.py $t
+	rm $t
+}
+
+
+# If first arg is a file, then show its details
+# Else processe all dir
+if [ -f "$1" ] && [ "$1" != "details" ] ; then
+    file="$1"
+    evaluate "$file" detail
+elif [ -d "$1" ] && [ "$1" != "details" ] ; then
+    d="$1"
+    for f in "$d"/* ; do
+        #evaluate "$f" detail
+        evaluate "$f" "$1"
+    done
+
+else
+    for d in * ; do
+        if [ ! -d "$d" ] ; then continue ; fi
+        if [[ "$d" = res_* ]] || [ "$d" = venv ] ; then continue ; fi
+        echo === $d
+        resd="res_$d"
+        mkdir -p "$resd"
+        rm "$resd"/*
+
+        for f in "$d"/*.fls ; do
+			echo "$f"
+            evaluate "$f" details > "tmp"
+            pandoc -f markdown "tmp" -o "$resd/$(basename "${f%.fls}").pdf"
+        done
+    done
+fi
+
+rm "$tmp"